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3508859
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Patent number 3,508,859
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Issue date Apr 28, 1970
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3458375
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Patent number 3,458,375
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Issue date Jul 29, 1969
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3399093
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Patent number 3,399,093
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Issue date Aug 27, 1968
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3348904
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Patent number 3,348,904
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Issue date Oct 24, 1967
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3112985
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Patent number 3,112,985
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Issue date Dec 3, 1963
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3108847
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Patent number 3,108,847
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Issue date Oct 29, 1963
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3076689
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Patent number 3,076,689
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Issue date Feb 5, 1963
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2299200
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Patent number 2,299,200
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Issue date Oct 20, 1942
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2286968
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Patent number 2,286,968
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Issue date Jun 16, 1942
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2257576
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Patent number 2,257,576
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Issue date Sep 30, 1941
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2207122
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Patent number 2,207,122
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Issue date Jul 9, 1940
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2195239
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Patent number 2,195,239
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Issue date Mar 26, 1940
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2067501
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Patent number 2,067,501
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Issue date Jan 12, 1937
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2023711
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Patent number 2,023,711
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Issue date Dec 10, 1935
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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1996857
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Patent number 1,996,857
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Issue date Apr 9, 1935
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1871702
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Patent number 1,871,702
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Issue date Aug 16, 1932
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1843783
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Patent number 1,843,783
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1790367
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Patent number 1,790,367
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1780616
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Patent number 1,780,616
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1669429
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1616062
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Patent number 1,616,062
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1582319
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1575290
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1506317
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1498797
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1471021
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1365483
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1236959
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Patent number 1,236,959
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1163417
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1140253
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Patent number 1,140,253
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE