Improvements in photo-electric detector units for automatic headlamp dimming apparatus,申请号GB19540029558-传众专利搜索

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发明名称	Improvements in photo-electric detector units for automatic headlamp dimming apparatus
摘要
申请公布号	GB740240(A)	申请公布日期	1955.11.09
申请号	GB19540029558	申请日期	1952.10.20
申请人	GENERAL MOTORS CORPORATION	发明人
分类号	H01J40/00	主分类号	H01J40/00
代理机构		代理人
主权项
地址

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