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发明名称
Металлическая форма для изготовления пустотелых железобетонных конструкций с напряженной арматурой
摘要
申请公布号
SU87922(A1)
申请公布日期
1949.11.30
申请号
SU19490398826
申请日期
1949.06.07
申请人
LEVIN S.YA.;PETRUNKIN L.P.;PORYADKOV N.I.
发明人
LEVIN S.YA.;PETRUNKIN L.P.;PORYADKOV N.I.
分类号
B28B7/18;B28B23/04
主分类号
B28B7/18
代理机构
代理人
主权项
地址
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