开挖钻头(B),申请号CN200830168829.8-传众专利搜索

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发明名称	开挖钻头(B)
摘要
申请公布号	CN300876911D	申请公布日期	2009.01.21
申请号	CN200830168829.8	申请日期	2008.06.20
申请人	周志建	发明人	周志建
分类号	15-04	主分类号	15-04
代理机构		代理人
主权项
地址	325200浙江省瑞安市万松大厦主楼1004室

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