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发明名称
Устройство для укладки и разравнивания бетона
摘要
申请公布号
SU89762(A1)
申请公布日期
1949.11.30
申请号
SU19490402229
申请日期
1949.08.01
申请人
LEBEDEV K.P.;ROST P.P.
发明人
LEBEDEV K.P.;ROST P.P.
分类号
E01C19/48;E01C19/42
主分类号
E01C19/48
代理机构
代理人
主权项
地址
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