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发明名称
ARRANGEMENT FOR AIRING EXCAVATION CHAMBERS
摘要
申请公布号
SU742605(A1)
申请公布日期
1980.06.25
申请号
SU19772492423
申请日期
1977.05.27
申请人
VNI PK UGOLNYJ I "KNIUI"
发明人
NENAKHOV DMITRIJ F,SU;KIM OLGERD V,SU;MUKUSHEV MAJZHAN M,SU;SUDARIKOV EVGENIJ A,SU;NYUGAJ MARAT V,SU;VAREKHA ZHORZH P,SU;TOLOCHINTSEV SERGEJ ,SU
分类号
E21F1/08;(IPC1-7):E21F1/08
主分类号
E21F1/08
代理机构
代理人
主权项
地址
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