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经营范围
发明名称
PNEUMATIC ROCK DRILL
摘要
申请公布号
SU977758(A1)
申请公布日期
1982.11.30
申请号
SU19813306201
申请日期
1981.06.10
申请人
NOVOSELSKIJ YURIJ A,SU;PROKHOROV BORIS M,SU;GONCHAROV VIKTOR V,SU;SOPOTSKO ALEKSANDR A,SU
发明人
NOVOSELSKIJ YURIJ A,SU;PROKHOROV BORIS M,SU;GONCHAROV VIKTOR V,SU;SOPOTSKO ALEKSANDR A,SU
分类号
E21B1/30;(IPC1-7):E21C3/24
主分类号
E21B1/30
代理机构
代理人
主权项
地址
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