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经营范围
发明名称
Spring grip pipe coupling
摘要
申请公布号
US2587810(A)
申请公布日期
1952.03.04
申请号
US19470767380
申请日期
1947.08.08
申请人
BEYER WALTER O
发明人
BEYER WALTER O.
分类号
F16L37/092
主分类号
F16L37/092
代理机构
代理人
主权项
地址
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