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Methods of beating Beaters of the Hollander type

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  • CPC
  • D21D1/02
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DTEXTILES PAPER D21Papermaking D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21D1/00Methods of beating or refining Beaters of the Hollander type

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D21D1/02Methods of beating Beaters of the Hollander type
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Patents Grantslast 30 patents

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    • Patent number 8,784,608
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    • Shisei Goto
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    • Patent number 8,444,808
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    • Evan E Koslow
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    Methods for beating pulp, methods for treating process waters, and...
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    3814375
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    3534912
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    3144994
    • Patent number 3,144,994
    • Issue date Aug 18, 1964
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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    2900141
    • Patent number 2,900,141
    • Issue date Aug 18, 1959
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    2779251
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    2725794
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    2661665
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    2647445
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    • Issue date Jul 8, 1952
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    • Issue date Jan 1, 1952
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    2548425
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    • Issue date Apr 10, 1951
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Patents Applicationslast 30 patents