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发明名称
VORRICHTUNG ZUM SCHLAGBOHREN UND BOHREN.
摘要
申请公布号
CH656181(A5)
申请公布日期
1986.06.13
申请号
CH19810004101
申请日期
1981.06.22
申请人
VNI I PK I MEKH I RUCH
发明人
BALANDIN, VLADIMIR PORFIRIEVICH;GOLDSHTEIN, BORIS GRIGORIEVICH;KAPUSTIN, ARKADY YAKOVLEVICH;KEZIK, VITOLD ADOLFOVICH;KOLGAN, JURY NIKITOVICH;PROKHOROV, IVAN ANDREEVICH;SHISHULIN, JURY PAVLOVICH
分类号
E21B6/02;B25D16/00;E21B1/38;(IPC1-7):E21C3/04;B25D9/00
主分类号
E21B6/02
代理机构
代理人
主权项
地址
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