Installation d'annonce des trains,申请号FRD53219-传众专利搜索

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发明名称	Installation d'annonce des trains
摘要
申请公布号	FR53219(E)	申请公布日期	1945.10.02
申请号	FRD53219	申请日期	1943.11.30
申请人	C. LORENZ AKTIENGESELLSCHAFT	发明人
分类号	B61L29/32	主分类号	B61L29/32
代理机构		代理人
主权项
地址

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