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发明名称
NOISE SILENCER FOR PNEUMATIC PERFORATING DRILL
摘要
申请公布号
SU817238(A1)
申请公布日期
1981.03.30
申请号
SU19792767976
申请日期
1979.05.16
申请人
VLASOV YURIJ N,SU;PROKHOROV BORIS M,SU;KHARITOSHIN PETR P,SU;ORLOV VLADIMIR V,SU;ZOTKIN MIKHAIL M,SU
发明人
VLASOV YURIJ N,SU;PROKHOROV BORIS M,SU;KHARITOSHIN PETR P,SU;ORLOV VLADIMIR V,SU;ZOTKIN MIKHAIL M,SU
分类号
E21B1/00;B25D17/12;(IPC1-7):E21C3/24
主分类号
E21B1/00
代理机构
代理人
主权项
地址
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