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发明名称
Инструмент для съемки внутреннего профиля туннеля
摘要
申请公布号
SU87780(A1)
申请公布日期
1949.11.30
申请号
SU19480376452
申请日期
1948.03.30
申请人
MININ P.I.
发明人
MININ P.I.
分类号
G01C7/06
主分类号
G01C7/06
代理机构
代理人
主权项
地址
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