Signalvorrichtung, insbesondere fuer unbewachte Eisenbahnuebergaenge,申请号DED538206D-传众专利搜索

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发明名称	Signalvorrichtung, insbesondere fuer unbewachte Eisenbahnuebergaenge
摘要
申请公布号	DE538206(C)	申请公布日期	1931.11.11
申请号	DED538206D	申请日期	1930.10.19
申请人	VITTORIO CAVAGNARO	发明人
分类号	B61L1/04	主分类号	B61L1/04
代理机构		代理人
主权项
地址

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