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发明名称
Improvements relating to fluid-flow control valves
摘要
申请公布号
GB841019(A)
申请公布日期
1960.07.13
申请号
GB19590028034
申请日期
1957.06.07
申请人
CAMERON IRON WORKS, INC.
发明人
分类号
F16K29/00;F16K29/02
主分类号
F16K29/00
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代理人
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