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发明名称
HARTLOETVERFAHREN.
摘要
申请公布号
DE3783160(D1)
申请公布日期
1993.02.04
申请号
DE19873783160
申请日期
1987.04.02
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LTD., JOHANNESBURG, TRANSVAAL, ZA
发明人
TANK, KLAUS, ESSEXWOLD BEDFORDVIEW TRANSVAAL, ZA
分类号
B23K31/02;E21B10/54;(IPC1-7):B23K1/002;B24D3/06
主分类号
B23K31/02
代理机构
代理人
主权项
地址
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