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发明名称
Mechanism for driving reels
摘要
申请公布号
US1920967(A)
申请公布日期
1933.08.08
申请号
US19300466684
申请日期
1930.07.09
申请人
THE AUGUSTUS-CARPENTER COMPANY
发明人
CARPENTER ERNEST S.
分类号
G03B21/43
主分类号
G03B21/43
代理机构
代理人
主权项
地址
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