Safety Handle for Use in a Manhole Entrance,申请号KR20070015886U-传众专利搜索

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发明名称	Safety Handle for Use in a Manhole Entrance
摘要
申请公布号	KR200447405(Y1)	申请公布日期	2010.01.21
申请号	KR20070015886U	申请日期	2007.09.27
申请人		发明人
分类号	E02D29/12	主分类号	E02D29/12
代理机构		代理人
主权项
地址

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