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发明名称
Lens
摘要
申请公布号
US2003804(A)
申请公布日期
1935.06.04
申请号
US19320623693
申请日期
1932.07.21
申请人
GENERAL MOTORS CORPORATION
发明人
FALGE ROBERT N.
分类号
F21V5/00
主分类号
F21V5/00
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代理人
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