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发明名称
HAND METAL INSERT FOR ROCK BREAKING
摘要
申请公布号
SU977681(A1)
申请公布日期
1982.11.30
申请号
SU19802967671
申请日期
1980.07.31
申请人
SEVERO-KAVKAZSKIJ GNI PI NEFTYANOJ PROMY;VNI PI TUGOPLAVKIKH METALLOV TVERDYKH SPLAVOV
发明人
ZUBAREV ALEKSANDR V,SU;SARKISYANTS TIGRAN KH,SU;MATVEEV GRIGORIJ I,SU;LINDO GENNADIJ V,SU;RYZHIKOV YURIJ V,SU
分类号
E21B10/50;(IPC1-7):E21B10/50
主分类号
E21B10/50
代理机构
代理人
主权项
地址
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