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发明名称
Manual coupler
摘要
申请公布号
US2506286(A)
申请公布日期
1950.05.02
申请号
US19470782088
申请日期
1947.10.25
申请人
ALBERT WITTLIN
发明人
WITTLIN ALBERT
分类号
F16L19/03;F16L37/14
主分类号
F16L19/03
代理机构
代理人
主权项
地址
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