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经营范围
发明名称
VAPOR ARC DEVICE
摘要
申请公布号
CA515319(A)
申请公布日期
1955.08.02
申请号
CAD515319
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
JOHN L. BOYER
分类号
主分类号
代理机构
代理人
主权项
地址
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