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发明名称
AIR-VALVE
摘要
申请公布号
CA298522(A)
申请公布日期
1930.03.18
申请号
CAD298522
申请日期
申请人
JAMES MCDIVITT;FRANK H. DEAGAN
发明人
JOHN S. CUTHERBERTSON
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主分类号
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