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发明名称
VALVES
摘要
申请公布号
CA468923(A)
申请公布日期
1950.10.24
申请号
CAD468923
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
RAYMOND H. LEITZEL
分类号
主分类号
代理机构
代理人
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地址
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