A CONNECTION PIPE DEVICE OF MANHOLE,申请号KR20050112085-传众专利搜索

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发明名称	A CONNECTION PIPE DEVICE OF MANHOLE
摘要
申请公布号	KR20050118652(A)	申请公布日期	2005.12.19
申请号	KR20050112085	申请日期	2005.11.23
申请人	PERFECT CO., LTD.	发明人	HEO, WON GWON
分类号	E02D29/12;E03F3/04;E03F5/02	主分类号	E02D29/12
代理机构		代理人
主权项
地址

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