ADJUSTABLE MANHOLE COVERS,申请号ZA19800005909-传众专利搜索

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发明名称	ADJUSTABLE MANHOLE COVERS
摘要
申请公布号	ZA8005909(B)	申请公布日期	1981.10.28
申请号	ZA19800005909	申请日期	1980.09.24
申请人	BESAANS DU PLESSIS PRETORIA FOUNDRIES LTD	发明人	DU PLESSIS P
分类号	E02D;F16J	主分类号	E02D
代理机构		代理人
主权项
地址

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