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发明名称
Disc valve and fitting
摘要
申请公布号
US3306316(A)
申请公布日期
1967.02.28
申请号
US19640383812
申请日期
1964.07.20
申请人
KEYSTONE VALVE CORP.
发明人
STILLWAGON CRAWFORD K.
分类号
F16K1/22
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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