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发明名称
Machines for binding sheets of material
摘要
申请公布号
US2897504(A)
申请公布日期
1959.08.04
申请号
US19560579203
申请日期
1956.04.19
申请人
SHAPIRO ERVING J
发明人
SHAPIRO ERVING J.
分类号
B42F1/00
主分类号
B42F1/00
代理机构
代理人
主权项
地址
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