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发明名称
Fremgangsmaade til Behandling af Tjære, der skal anvendes som Vejbygningsbindemiddel.
摘要
申请公布号
DK54471(C)
申请公布日期
1938.03.14
申请号
DKD54471
申请日期
1936.07.17
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
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主分类号
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