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发明名称
Устройство для расшивки пути
摘要
申请公布号
SU104736(A1)
申请公布日期
1955.11.30
申请号
SU19550453713
申请日期
1955.11.01
申请人
LEVCHIKOV S.A.;RODKIN YA.A.
发明人
LEVCHIKOV S.A.;RODKIN YA.A.
分类号
E01B29/16
主分类号
E01B29/16
代理机构
代理人
主权项
地址
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