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经营范围
发明名称
Камнеуловитель
摘要
申请公布号
SU116553(A1)
申请公布日期
1957.11.30
申请号
SU19570574980
申请日期
1957.06.18
申请人
ZAJTSEV N.I.;IVANOV K.K.
发明人
ZAJTSEV N.I.;IVANOV K.K.
分类号
E02F3/94
主分类号
E02F3/94
代理机构
代理人
主权项
地址
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