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发明名称
Способ получения первой металлической копии с воскового диска
摘要
申请公布号
SU82923(A1)
申请公布日期
1949.11.30
申请号
SU19490397855
申请日期
1949.05.24
申请人
LYASHSHENKO I.P.;MALEVICH L.V.
发明人
LYASHSHENKO I.P.;MALEVICH L.V.
分类号
G11B7/26
主分类号
G11B7/26
代理机构
代理人
主权项
地址
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