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发明名称
PROBE FOR DETERMINING THE STATE OF ROCK STRESS BY DRILLING PROCESS
摘要
申请公布号
CS226254(B1)
申请公布日期
1984.03.19
申请号
CS19820003422
申请日期
1982.05.11
申请人
NEDOMA JIRI ING.,CS;ZARUBA PFEFFERMANN JAN ING.CSC.,CS;NOVOTNA EVA ING.,CS;KOHOUT JIRI PROM.FYZ.,CS;VOBORIL JAN,CS
发明人
NEDOMA JIRI ING.,CS;ZARUBA PFEFFERMANN JAN ING.CSC.,CS;NOVOTNA EVA ING.,CS;KOHOUT JIRI PROM.FYZ.,CS;VOBORIL JAN,CS
分类号
G01V1/16;(IPC1-7):G01V1/16
主分类号
G01V1/16
代理机构
代理人
主权项
地址
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