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发明名称
Valve
摘要
申请公布号
US2788796(A)
申请公布日期
1957.04.16
申请号
US19530375611
申请日期
1953.08.21
申请人
HARRIS FERREL B
发明人
HARRIS FERREL B.
分类号
F16K5/02;F16K41/02
主分类号
F16K5/02
代理机构
代理人
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地址
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