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发明名称
Safety coupling
摘要
申请公布号
US2205153(A)
申请公布日期
1940.06.18
申请号
US19390278345
申请日期
1939.06.09
申请人
ABE COHEN;MAX COHEN
发明人
PIPER JOHN
分类号
B61G1/40;B61G3/04
主分类号
B61G1/40
代理机构
代理人
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地址
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