HEIGHT ADJUSTABLE MANHOLE COVERS,申请号ZA19790002510-传众专利搜索

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发明名称	HEIGHT ADJUSTABLE MANHOLE COVERS
摘要
申请公布号	ZA7902510(B)	申请公布日期	1980.07.30
申请号	ZA19790002510	申请日期	1979.05.23
申请人	DEHNE O;WIESEMANN K	发明人	DEHNE O;WIESEMANN K
分类号	E02D	主分类号	E02D
代理机构		代理人
主权项
地址

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