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发明名称
Форма для изготовления железобетонных труб большого диаметра и большой длины
摘要
申请公布号
SU92388(A1)
申请公布日期
1950.11.30
申请号
SU19490393380
申请日期
1949.03.12
申请人
OVSYANKIN V.I.
发明人
OVSYANKIN V.I.
分类号
B28B21/34;B28B21/88
主分类号
B28B21/34
代理机构
代理人
主权项
地址
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