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发明名称
FLAPPER VALVE
摘要
申请公布号
CA562008(A)
申请公布日期
1958.08.19
申请号
CAD562008
申请日期
申请人
CRANE CO.
发明人
AXEL B. NELSON;EDWARD G. SCHMIDT;ROY H. ZINKIL
分类号
主分类号
代理机构
代理人
主权项
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