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经营范围
发明名称
DEVICE FOR FASTENING AN EXTRACTION FACE AND HIS UPPER PART
摘要
申请公布号
BG45954(A1)
申请公布日期
1989.09.15
申请号
BG19880084231
申请日期
1988.05.20
申请人
STOPANSKI MINNO-ENERGIEN KOMBINAT "MARISHKI BASEJN"
发明人
STANCHEV, DIMITAR S.;GANEV, PENKO I.;STANCHEV, STEFAN M.;STAMENOVA, NEDJALKA I.;STOJANOV, JORDAN K.;ZLATEV, DIMITAR J.
分类号
E21D23/00;E21D23/04;(IPC1-7):E21D23/04
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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