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发明名称
o. dgl. mit ausschliesslich stehenden Jahresringen
摘要
申请公布号
DE692987(C)
申请公布日期
1940.06.29
申请号
DE193801K2880D
申请日期
1938.12.25
申请人
OTTO KREIBAUM
发明人
KREIBAUM OTTO
分类号
B27B1/00;B27D1/06
主分类号
B27B1/00
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代理人
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