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发明名称
Прибор для сплачивания дощатых полов
摘要
申请公布号
SU81110(A1)
申请公布日期
1949.11.30
申请号
SU19490391160
申请日期
1949.02.03
申请人
KRAVTSOV D.I.
发明人
KRAVTSOV D.I.
分类号
E04F21/22
主分类号
E04F21/22
代理机构
代理人
主权项
地址
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