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发明名称
Fremgangsmaade til Fremstilling af Kunstmasser.
摘要
申请公布号
DK53770(C)
申请公布日期
1937.10.25
申请号
DKD53770
申请日期
1936.02.24
申请人
DR. HEINRICH PRUEFER
发明人
DR. HEINRICH PRUEFER
分类号
主分类号
代理机构
代理人
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