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发明名称
RADIATOR VALVE
摘要
申请公布号
CA309780(A)
申请公布日期
1931.03.31
申请号
CAD309780
申请日期
申请人
ALEXANDER A. CAMPBELL
发明人
ALEXANDER A. CAMPBELL
分类号
主分类号
代理机构
代理人
主权项
地址
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