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Paper machine drying section
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Patent number 5,517,766
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Issue date May 21, 1996
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Voith Sulzer Papiermaschinen GmbH
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Hans-Jurgen Wulz
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Follower roll suspension system
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Patent number 3,966,106
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Issue date Jun 29, 1976
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Dominion Engineering Works, Limited
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Adu Randpalu
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3044542
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Patent number 3,044,542
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Issue date Jul 17, 1962
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2475426
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Patent number 2,475,426
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Issue date Jul 5, 1949
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2244033
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Patent number 2,244,033
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Issue date Jun 3, 1941
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1582322
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Patent number 1,582,322
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Issue date Apr 27, 1926
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1489623
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Patent number 1,489,623
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Issue date Apr 8, 1924
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE