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发明名称
Приспособление для кладки дымовых и вентиляционных каналов
摘要
申请公布号
SU14845(A1)
申请公布日期
1930.03.31
申请号
SU19290048485
申请日期
1929.06.03
申请人
MALTSEV F.I.
发明人
MALTSEV F.I.
分类号
E04G15/06;E04F17/00
主分类号
E04G15/06
代理机构
代理人
主权项
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