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发明名称
VALVE AND PROCESS OF MAKING THE SAME
摘要
申请公布号
CA611707(A)
申请公布日期
1961.01.03
申请号
CAD611707
申请日期
申请人
GENERAL MOTORS CORPORATION
发明人
DEAN K. HANINK
分类号
主分类号
代理机构
代理人
主权项
地址
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