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发明名称
METHOD OF ROOF CONTROL
摘要
申请公布号
SU1537811(A1)
申请公布日期
1990.01.23
申请号
SU19884417408
申请日期
1988.03.29
申请人
DZHEZKAZGANSK NI PI TSVETNOJ
发明人
NIKOLAEV EVGENIJ I,SU;KUKHTINA LARISA V,SU
分类号
E21C41/18
主分类号
E21C41/18
代理机构
代理人
主权项
地址
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