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发明名称
Electrical apparatus
摘要
申请公布号
US2111009(A)
申请公布日期
1938.03.15
申请号
US19340727774
申请日期
1934.05.26
申请人
GENERAL MOTORS CORPORATION
发明人
SMITH HARRY F.
分类号
E05F15/20
主分类号
E05F15/20
代理机构
代理人
主权项
地址
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