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发明名称
Verfahren zur Herstellung von Tropolon
摘要
申请公布号
DE1130438(B)
申请公布日期
1962.05.30
申请号
DE1960S071654
申请日期
1960.12.13
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.
发明人
BORG ARNE PIETER TER;HELDEN ROBERT VAN
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