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发明名称
SWINGING CLOSURE VALVE
摘要
申请公布号
CA599549(A)
申请公布日期
1960.06.07
申请号
CAD599549
申请日期
申请人
W. R. AMES COMPANY
发明人
ROBERT E. FOX
分类号
主分类号
代理机构
代理人
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