Improvements in depth indicators for mine cages, and in similar position indicators,申请号GB19420000945-传众专利搜索

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发明名称	Improvements in depth indicators for mine cages, and in similar position indicators
摘要
申请公布号	GB554871(A)	申请公布日期	1943.06.22
申请号	GB19420000945	申请日期	1942.01.22
申请人	THE ENGLISH ELECTRIC COMPANY LIMITED;HARRY DOLAN	发明人
分类号	B66B3/02	主分类号	B66B3/02
代理机构		代理人
主权项
地址

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