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发明名称
Apparatus for producing helically wound cylinders
摘要
申请公布号
US2699099(A)
申请公布日期
1955.01.11
申请号
US19520290698
申请日期
1952.05.29
申请人
ROBINSON ERNEST B
发明人
ROBINSON ERNEST B.
分类号
B31C3/00
主分类号
B31C3/00
代理机构
代理人
主权项
地址
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