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发明名称
Cotter pin
摘要
申请公布号
US2169191(A)
申请公布日期
1939.08.08
申请号
US19380220871
申请日期
1938.07.23
申请人
SMITH MALCOLM A
发明人
SMITH MALCOLM A.
分类号
F16B21/12;F16B21/14
主分类号
F16B21/12
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代理人
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