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发明名称
Associating and folding mechanism
摘要
申请公布号
US2222278(A)
申请公布日期
1940.11.19
申请号
US19390301338
申请日期
1939.10.26
申请人
C. B. COTTRELL & SONS COMPANY
发明人
BARBER HOWARD M.
分类号
B41F13/54
主分类号
B41F13/54
代理机构
代理人
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地址
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