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经营范围
发明名称
Pipe coupling
摘要
申请公布号
US1970078(A)
申请公布日期
1934.08.14
申请号
US19320588215
申请日期
1932.01.22
申请人
DILLON STEPHEN V
发明人
DILLON STEPHEN V.
分类号
F16B41/00
主分类号
F16B41/00
代理机构
代理人
主权项
地址
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