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发明名称
BALL VALVE WITH FLEXIBLE BONNET
摘要
申请公布号
CA694787(A)
申请公布日期
1964.09.22
申请号
CAD694787
申请日期
申请人
CRANE CO.
发明人
GEORGE E. HANSEN;ANTON KORZENOWSKI;CARL R. STONE
分类号
主分类号
代理机构
代理人
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