BOUCLIER DE PERCEMENT,申请号BE19750157814-传众专利搜索

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发明名称	BOUCLIER DE PERCEMENT
摘要
申请公布号	BE830805(A1)	申请公布日期	1975.10.16
申请号	BE19750157814	申请日期	1975.06.30
申请人		发明人
分类号	E21D9/08;E21D9/13	主分类号	E21D9/08
代理机构		代理人
主权项
地址

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