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发明名称
Coupling device
摘要
申请公布号
US1920743(A)
申请公布日期
1933.08.01
申请号
US19310578462
申请日期
1931.12.02
申请人
UNITED AMERICAN BOSCH CORPORATION
发明人
FRENCH BENEDICT V. K.;COHEN MONTE
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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