Smoke control apparatus,申请号US19650480529-传众专利搜索

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法人/股东/高管

发明名称	Smoke control apparatus
摘要
申请公布号	US3311046(A)	申请公布日期	1967.03.28
申请号	US19650480529	申请日期	1965.08.17
申请人	RINGLEB FRIEDRICH O	发明人	RINGLEB FRIEDRICH O.
分类号	B63H21/34	主分类号	B63H21/34
代理机构		代理人
主权项
地址

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