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发明名称
Способ получения крепителя из хлопкового гудрона для изготовления стержней в литейном производстве
摘要
申请公布号
SU129294(A1)
申请公布日期
1959.11.30
申请号
SU19590625525
申请日期
1959.04.17
申请人
BELOPOLSKIJ A.M.;ZAMYSHLYAEVA A.M.;PLATONOV P.M.;STAROSELSKAYA N.M.
发明人
BELOPOLSKIJ A.M.;ZAMYSHLYAEVA A.M.;PLATONOV P.M.;STAROSELSKAYA N.M.
分类号
B22C1/24;B22C1/16
主分类号
B22C1/24
代理机构
代理人
主权项
地址
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