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经营范围
发明名称
METHOD OF WORKING INTERCHAMBER PILLARS
摘要
申请公布号
SU589407(A1)
申请公布日期
1978.01.25
申请号
SU19701445938
申请日期
1970.05.29
申请人
SREDNEAZIATSKIJ NI PI TSVETNOJ METALLURGII
发明人
GOREMYKIN NIKOLAJ G,SU
分类号
(IPC1-7):E21C41/06
主分类号
(IPC1-7):E21C41/06
代理机构
代理人
主权项
地址
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