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经营范围
发明名称
Pipe coupling
摘要
申请公布号
US2082868(A)
申请公布日期
1937.06.08
申请号
US19360099989
申请日期
1936.09.09
申请人
BOARD WILLIAM S
发明人
BOARD WILLIAM S.
分类号
F16L19/075;F16L19/08
主分类号
F16L19/075
代理机构
代理人
主权项
地址
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