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经营范围
发明名称
WORKING PROTECTION METHOD
摘要
申请公布号
SU1588870(A1)
申请公布日期
1990.08.30
申请号
SU19884459082
申请日期
1988.06.02
申请人
INST GORNOGO DELA AN KAZAKHSK
发明人
BOLGOZHIN SHABDAN A,SU;BAJMUKHAMETOV SERGAZY K,SU;KLINOVITSKIJ FEDOR I,SU;SEJDAKHMETOV EDIGE,SU;SYZDYKOV MAKSAT M,SU
分类号
E21C41/16;E21C41/18
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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