Collecteur unique pour plusieurs conduits de fumée ou de ventilation,申请号FRD1148343-传众专利搜索

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发明名称	Collecteur unique pour plusieurs conduits de fumée ou de ventilation
摘要
申请公布号	FR1148343(A)	申请公布日期	1957.12.06
申请号	FRD1148343	申请日期	1956.05.04
申请人	SO.PRO.CI.	发明人
分类号	E04F17/00	主分类号	E04F17/00
代理机构		代理人
主权项
地址

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