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经营范围
发明名称
Способ придания полуфабрикатам из глин незамерзаемости
摘要
申请公布号
SU87307(A1)
申请公布日期
1950.11.30
申请号
SU19490408799
申请日期
1949.12.13
申请人
RACHKOV N.F.;SHCHEPETOV A.M.
发明人
RACHKOV N.F.;SHCHEPETOV A.M.
分类号
C04B33/02
主分类号
C04B33/02
代理机构
代理人
主权项
地址
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