Cable drawn scraper.,申请号ZA19970008249-传众专利搜索

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发明名称	Cable drawn scraper.
摘要
申请公布号	ZA9708249(B)	申请公布日期	1998.03.03
申请号	ZA19970008249	申请日期	1997.09.12
申请人	BEREND JAN WERKMAN	发明人	BEREND JAN WERKMAN
分类号	E21C	主分类号	E21C
代理机构		代理人
主权项
地址

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