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发明名称
Electrical apparatus
摘要
申请公布号
US2638496(A)
申请公布日期
1953.05.12
申请号
US19500186477
申请日期
1950.09.23
申请人
GENERAL MOTORS CORPORATION
发明人
CHURCH WALTER LYMAN
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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