Perfectionnement aux wagons destinés au transport en vrac de matières en poudre fine telles que du ciment,申请号FRD996973-传众专利搜索

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发明名称	Perfectionnement aux wagons destinés au transport en vrac de matières en poudre fine telles que du ciment
摘要
申请公布号	FR996973(A)	申请公布日期	1951.12.31
申请号	FRD996973	申请日期	1949.09.07
申请人		发明人	RICHARD BENOIT
分类号	B61D5/00	主分类号	B61D5/00
代理机构		代理人
主权项
地址

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