Dispositif pour faire les trous de vidange des égoutteuses,申请号FRD719230-传众专利搜索

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发明名称	Dispositif pour faire les trous de vidange des égoutteuses
摘要
申请公布号	FR719230(A)	申请公布日期	1932.02.03
申请号	FRD719230	申请日期	1931.06.29
申请人		发明人	MEYER HENRI
分类号	C01D7/00	主分类号	C01D7/00
代理机构		代理人
主权项
地址

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