Surface de criblage à dimensions de passage réglables,申请号FRD1140961-传众专利搜索

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发明名称	Surface de criblage à dimensions de passage réglables
摘要
申请公布号	FR1140961(A)	申请公布日期	1957.08.22
申请号	FRD1140961	申请日期	1956.01.04
申请人		发明人	FRACHEBOUD JULIEN
分类号	B07B1/46	主分类号	B07B1/46
代理机构		代理人
主权项
地址

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