IMPROVEMENTS IN OR RELATING TO FIRE DAMPERS,申请号ZA19710005818-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO FIRE DAMPERS
摘要
申请公布号	ZA7105818(B)	申请公布日期	1972.12.27
申请号	ZA19710005818	申请日期	1971.08.31
申请人	BLENDAIR LTD	发明人	PANTLAND E
分类号	F23L	主分类号	F23L
代理机构		代理人
主权项
地址

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