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发明名称
METHOD OF VERY THICK SEAMS' DEEP DRIVING
摘要
申请公布号
CS266929(B1)
申请公布日期
1990.01.12
申请号
CS19870009165
申请日期
1987.12.14
申请人
GONGOL JAROSLAV ING. CSC.,CS;HAJOVSKY JIRI ING. CSC.,CS
发明人
GONGOL JAROSLAV ING. CSC.,CS;HAJOVSKY JIRI ING. CSC.,CS
分类号
E21C41/00;(IPC1-7):E21C41/00
主分类号
E21C41/00
代理机构
代理人
主权项
地址
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