Dispositif de sécurité pour frein à air comprimé de berlines dans les puits d'extraction,申请号FRD1133303-传众专利搜索

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发明名称	Dispositif de sécurité pour frein à air comprimé de berlines dans les puits d'extraction
摘要
申请公布号	FR1133303(A)	申请公布日期	1957.03.26
申请号	FRD1133303	申请日期	1954.10.04
申请人		发明人	AMANN EDMUND
分类号	B61K7/20	主分类号	B61K7/20
代理机构		代理人
主权项
地址

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