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发明名称
A sealing method for twin seat fluid valves
摘要
申请公布号
GB994281(A)
申请公布日期
1965.06.02
申请号
GB19630003336
申请日期
1963.01.26
申请人
SEETRU LIMITED
发明人
VARGA OTTO HERMAN
分类号
F16K1/44
主分类号
F16K1/44
代理机构
代理人
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