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发明名称
Retaining device
摘要
申请公布号
US2392242(A)
申请公布日期
1946.01.01
申请号
US19440517641
申请日期
1944.01.10
申请人
GOEPFRICH RUDOLPH A
发明人
GOEPFRICH RUDOLPH A.
分类号
F16B21/20
主分类号
F16B21/20
代理机构
代理人
主权项
地址
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