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发明名称
Improvements in couplings
摘要
申请公布号
GB346563(A)
申请公布日期
1931.04.16
申请号
GB19300010704
申请日期
1930.04.04
申请人
AMERICAN ENGINEERING COMPANY
发明人
分类号
F16D1/02;F16D3/20
主分类号
F16D1/02
代理机构
代理人
主权项
地址
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