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发明名称
DEVICE FOR DETERMINING CHARACTERISTICS OF HARD MATERIALS
摘要
申请公布号
SU1273553(A1)
申请公布日期
1986.11.30
申请号
SU19853914469
申请日期
1985.06.18
申请人
KRIVOROZHSKIJ GORNORUDNYJ INSTITUT
发明人
FEDORENKO PAVEL I,SU;KAMASHCHENKO VITALIJ I,SU;ABASHIN PETR A,SU
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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