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发明名称
Valve coupling
摘要
申请公布号
US2517571(A)
申请公布日期
1950.08.08
申请号
US19470729637
申请日期
1947.02.19
申请人
JANSON JR GOTTHARD
发明人
JR. GOTTHARD JANSON,
分类号
F16L29/02
主分类号
F16L29/02
代理机构
代理人
主权项
地址
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