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发明名称
摘要
申请公布号
DE1903444(B2)
申请公布日期
1979.02.08
申请号
DE19691903444
申请日期
1969.01.24
申请人
YTONG AB, HAELLABROTTET (SCHWEDEN)
发明人
JAKOBSSON, PER, OEREBRO;LOENNBERG, STIG, KUMLA
分类号
B28B11/08;B28B11/12;(IPC1-7):B28B11/14
主分类号
B28B11/08
代理机构
代理人
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