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发明名称
Sealing means for valves
摘要
申请公布号
US3263961(A)
申请公布日期
1966.08.02
申请号
US19640336573
申请日期
1964.01.08
申请人
SEETRU LIMITED
发明人
VARGA OTTO HERMAN
分类号
F16K1/42
主分类号
F16K1/42
代理机构
代理人
主权项
地址
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