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经营范围
发明名称
PIPE COUPLING CONTAINING A VALVE
摘要
申请公布号
US3477689(A)
申请公布日期
1969.11.11
申请号
USD3477689
申请日期
1966.11.02
申请人
HANS BERGHOEFER
发明人
HANS BERGHOEFER
分类号
F16L37/00;F16L37/23;F16L37/24;(IPC1-7):F16K5/02;F16L37/28
主分类号
F16L37/00
代理机构
代理人
主权项
地址
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