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发明名称
Пневматическая экскаваторная лопата
摘要
申请公布号
SU77178(A1)
申请公布日期
1948.11.30
申请号
SU19480383473
申请日期
1948.08.26
申请人
BILENKO A.A.;POSEVIN P.S.
发明人
BILENKO A.A.;POSEVIN P.S.
分类号
E21D1/00;E02F3/28
主分类号
E21D1/00
代理机构
代理人
主权项
地址
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