JOINTING VENTILATION DUCTING,申请号ZA19880000019-传众专利搜索

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发明名称	JOINTING VENTILATION DUCTING
摘要
申请公布号	ZA8800019(B)	申请公布日期	1988.08.31
申请号	ZA19880000019	申请日期	1988.01.04
申请人	SCHAUENBURG FLEXADUX (PROPRIETARY) LIMITED	发明人	FRANZ WERNER HACKENBERG
分类号	E21F;F16L	主分类号	E21F
代理机构		代理人
主权项
地址

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