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经营范围
发明名称
Protective system
摘要
申请公布号
US1837761(A)
申请公布日期
1931.12.22
申请号
US19250015129
申请日期
1925.03.12
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
CRICHTON LESLIE N.
分类号
H01H71/44
主分类号
H01H71/44
代理机构
代理人
主权项
地址
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