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发明名称
METHOD OF STAMPING-OUT A PIT
摘要
申请公布号
SU850810(A1)
申请公布日期
1981.07.30
申请号
SU19792826763
申请日期
1979.10.12
申请人
VLASOV YURIJ V,SU
发明人
VLASOV YURIJ V,SU
分类号
E02D27/28;(IPC1-7):E02D27/28
主分类号
E02D27/28
代理机构
代理人
主权项
地址
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