PAPERMAKING ROLLS
United States Patent 3487517
US Patent References:
DANDY ROLL
- - 3445905

/0387118.html
- - 0387118

/0473180.html
- - 0473180

Dandy roll
- - 2039610


Inventors:
Douglas, Cecil Leonard
Publication Date:
01/06/1970
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Assignee:
GREEN SON & WAITE LTD W
Primary Class:
492/32
Other Classes:
492/44
International Classes:
D21F1/46; D21F1/00; B21B27/02




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