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经营范围
发明名称
Pipe coupling
摘要
申请公布号
US1754127(A)
申请公布日期
1930.04.08
申请号
US19250059925
申请日期
1925.10.01
申请人
THE FIRM OF ALEX FRIEDMANN
发明人
SRULOWITZ HERMANN
分类号
F16L27/067
主分类号
F16L27/067
代理机构
代理人
主权项
地址
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