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经营范围
发明名称
Pipe joint
摘要
申请公布号
US1840048(A)
申请公布日期
1932.01.05
申请号
US19280259791
申请日期
1928.03.07
申请人
NATHAN MICHELMAN
发明人
MICHELMAN NATHAN
分类号
F16B7/04
主分类号
F16B7/04
代理机构
代理人
主权项
地址
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