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发明名称
BALL CHECK VALVE
摘要
申请公布号
CA516441(A)
申请公布日期
1955.09.13
申请号
CAD516441
申请日期
申请人
BARNARD J. TIDY
发明人
BARNARD J. TIDY
分类号
主分类号
代理机构
代理人
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