Soupape à retardement pour le freinage automatique des trains,申请号FRD720975-传众专利搜索

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发明名称	Soupape à retardement pour le freinage automatique des trains
摘要
申请公布号	FR720975(A)	申请公布日期	1932.02.26
申请号	FRD720975	申请日期	1931.08.03
申请人	KNORR-BREMSE A. G.	发明人
分类号	B61L3/00;B61L3/04	主分类号	B61L3/00
代理机构		代理人
主权项
地址

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