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发明名称
Способ изготовления связующего состава для стержневых масс литейного производства
摘要
申请公布号
SU77946(A1)
申请公布日期
1949.11.30
申请号
SU19490391501
申请日期
1949.02.07
申请人
VAKHRAMEEV YU.N.;LIVSHITS V.YA.;SAMOLOVOV F.V.
发明人
VAKHRAMEEV YU.N.;LIVSHITS V.YA.;SAMOLOVOV F.V.
分类号
B22C1/20
主分类号
B22C1/20
代理机构
代理人
主权项
地址
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