Dispositif de fermeture étanche aux gaz pour le passage de substances contenant de la poussière,申请号FRD1181775-传众专利搜索

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发明名称	Dispositif de fermeture étanche aux gaz pour le passage de substances contenant de la poussière
摘要
申请公布号	FR1181775(A)	申请公布日期	1959.06.18
申请号	FRD1181775	申请日期	1957.08.29
申请人	KNAPSACK-GRIESHEIM AKTIENGESELLSCHAFT	发明人
分类号	F16K3/00	主分类号	F16K3/00
代理机构		代理人
主权项
地址

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