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GB720342A
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Improvements in or relating to a beater for paper or like pulp
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GB717013A
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Improvements in or relating to paper pulp beater roll
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GB457701A
|
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Improvements in and relating to apparatus for refining fibrous material in a liquid medium
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GB458919A
|
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Improvements in and relating to apparatus for refining fibrous material in a liquid medium
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GB457654A
|
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Improvements in and relating to apparatus for refining fibrous material in a liquid medium
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|
US1792505A
|
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Cutting element
|
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US1792546A
|
|
Cutting element
|
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CA513763A
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Beater roll
|
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CA327301A
|
|
Colloid mill
|
|
CA513762A
|
|
Controlled flow beater
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|
CA699207A
|
|
Board making apparatus
|
|
CA327302A
|
|
Colloid mill
|
|
CA355073A
|
|
Fibrous material treating apparatus
|
|
CA355072A
|
|
Fibrous material treating apparatus
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|
CA415207A
|
|
Fibre separating apparatus
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