ROLL WITH HYDRAULICALLY SUPPORTED,YIELDABLE COVER STRUCTURE
United States Patent 3535760

Inventors:
James, Ralph E.
Publication Date:
10/27/1970
View Patent Images:
Assignee:
POLYMER CORP
Primary Class:
Other Classes:
492/53
International Classes:
D06C15/08; D21G1/00; D21G1/02; F16C13/00; D06C15/00; B21B31/32
Foreign References:
IT625759B
NL6509484A
DE1277793B




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