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经营范围
发明名称
Pipe coupling
摘要
申请公布号
US1970059(A)
申请公布日期
1934.08.14
申请号
US19320590502
申请日期
1932.02.02
申请人
KARL SCHOTTER
发明人
SCHOTTER KARL
分类号
F16L19/02
主分类号
F16L19/02
代理机构
代理人
主权项
地址
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