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发明名称
Экскаватор для рытья котлованов с отвесными стенками и траншей с откосами
摘要
申请公布号
SU87260(A1)
申请公布日期
1949.11.30
申请号
SU19490406900
申请日期
1949.10.19
申请人
ROMANOV G.D.
发明人
ROMANOV G.D.
分类号
E02F5/02;E02F3/50;E02F7/02
主分类号
E02F5/02
代理机构
代理人
主权项
地址
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