EXHAUST UMBRELLA FOR LOCAL VENTILATION,申请号SU19874297155-传众专利搜索

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发明名称	EXHAUST UMBRELLA FOR LOCAL VENTILATION
摘要
申请公布号	SU1489865(A2)	申请公布日期	1989.06.30
申请号	SU19874297155	申请日期	1987.08.11
申请人	VNII OKHRANY TRUDA VTSSPS V G.SVERDLOVSKE	发明人	KILIN PAVEL I,SU
分类号	B08B15/00	主分类号	B08B15/00
代理机构		代理人
主权项
地址

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