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发明名称
Способ изготовления заполнителей для бетона
摘要
申请公布号
SU89917(A1)
申请公布日期
1949.11.30
申请号
SU19470400516
申请日期
1947.07.11
申请人
POPOV N.A.;REZNIK L.YA.;KHIGEROVICH M.I.;ELINZON M.P.
发明人
POPOV N.A.;REZNIK L.YA.;KHIGEROVICH M.I.;ELINZON M.P.
分类号
C04B14/16;C04B20/10
主分类号
C04B14/16
代理机构
代理人
主权项
地址
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