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发明名称
PIT DIGGER
摘要
申请公布号
SU873921(A1)
申请公布日期
1981.10.23
申请号
SU19802872197
申请日期
1980.01.23
申请人
PETROZAVODSKIJ G UNIV IM. O.V.KUUSINENA
发明人
TSYPUK ALEKSANDR M,SU;EGIPTI ANATOLIJ E,SU;EVSYUNIN VALENTIN I,SU;ALEKSANDROV VALENTIN A,SU
分类号
A01C5/04;A01C11/02;(IPC1-7):A01C5/04
主分类号
A01C5/04
代理机构
代理人
主权项
地址
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