Essieu de signalisation pour automotrices sur rails,申请号FRD722900-传众专利搜索

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发明名称	Essieu de signalisation pour automotrices sur rails
摘要
申请公布号	FR722900(A)	申请公布日期	1932.03.29
申请号	FRD722900	申请日期	1931.09.15
申请人		发明人	COUSIN HENRI
分类号	B61L1/18	主分类号	B61L1/18
代理机构		代理人
主权项
地址

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