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发明名称
Coupling
摘要
申请公布号
US1929854(A)
申请公布日期
1933.10.10
申请号
US19320609844
申请日期
1932.05.07
申请人
ROGERS GERALD S
发明人
ROGERS GERALD S.
分类号
F16L37/248
主分类号
F16L37/248
代理机构
代理人
主权项
地址
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