DEVICE FOR PREVENTING SPREAD OF FLAME IN VENT AIR CHANNELS,申请号SU19792780908-传众专利搜索

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发明名称	DEVICE FOR PREVENTING SPREAD OF FLAME IN VENT AIR CHANNELS
摘要
申请公布号	SU820837(A1)	申请公布日期	1981.04.15
申请号	SU19792780908	申请日期	1979.06.15
申请人	VARTSABA VLADIMIR ,SU	发明人	VARTSABA VLADIMIR ,SU
分类号	(IPC1-7):A62C3/14	主分类号	(IPC1-7):A62C3/14
代理机构		代理人
主权项
地址

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