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经营范围
发明名称
ARC EXTINGUISHER
摘要
申请公布号
CA511292(A)
申请公布日期
1955.03.22
申请号
CAD511292
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
JAMES M. WALLACE;HOWARD W. GRAYBILL
分类号
主分类号
代理机构
代理人
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