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Preservative treatment of wood
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Patent number 4,597,940
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Issue date Jul 1, 1986
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Bror O. Hager
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Method for storing bagasse
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Patent number 3,964,961
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Issue date Jun 22, 1976
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Becker & van Hullen Niederrheinische Maschinenfabrik
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Rolf Hesch
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3802957
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Patent number 3,802,957
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Issue date Apr 9, 1974
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3644171
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Patent number 3,644,171
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Issue date Feb 22, 1972
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3619351
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Patent number 3,619,351
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Issue date Nov 9, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3617435
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Patent number 3,617,435
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Issue date Nov 2, 1971
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3617436
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Patent number 3,617,436
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Issue date Nov 2, 1971
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3486969
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Patent number 3,486,969
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Issue date Dec 30, 1969
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3445329
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Patent number 3,445,329
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Issue date May 20, 1969
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3401085
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Patent number 3,401,085
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Issue date Sep 10, 1968
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3393122
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Patent number 3,393,122
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Issue date Jul 16, 1968
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3061504
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Patent number 3,061,504
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Issue date Oct 30, 1962
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2991281
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Patent number 2,991,281
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Issue date Jul 4, 1961
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2721358
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Patent number 2,721,358
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Issue date Oct 25, 1955
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1850808
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Patent number 1,850,808
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1833493
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Patent number 1,833,493
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Issue date Nov 24, 1931
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE