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经营范围
发明名称
VALVE INSIDE
摘要
申请公布号
CA457048(A)
申请公布日期
1949.05.31
申请号
CAD457048
申请日期
申请人
THE DILL MANUFACTURING COMPANY
发明人
JOHN C. CROWLEY
分类号
主分类号
代理机构
代理人
主权项
地址
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