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发明名称
Прицепной и скрепер
摘要
申请公布号
SU60738(A1)
申请公布日期
1941.11.30
申请号
SU19400030400K
申请日期
1940.03.03
申请人
FREJNKMAN I.E.
发明人
FREJNKMAN I.E.
分类号
E02F3/64;E02F9/22
主分类号
E02F3/64
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代理人
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