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发明名称
Fremgangsmaade til Fremstilling af Materialer til Kunststoffer og til Fremstilling af disse af de nævnte Materialer.
摘要
申请公布号
DK49481(C)
申请公布日期
1934.11.05
申请号
DKD49481
申请日期
1932.07.02
申请人
DR. LEON LILIENFELD
发明人
DR. LEON LILIENFELD
分类号
主分类号
代理机构
代理人
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