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发明名称
BUTTERFLY VALVE
摘要
申请公布号
CA719162(A)
申请公布日期
1965.10.05
申请号
CAD719162
申请日期
申请人
SHIPMAN AND COMPANY LIMITED
发明人
FREDERICK P. SMYTH
分类号
主分类号
代理机构
代理人
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