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发明名称
PURIFICATION OF PHTHALIC ANHYDRIDE
摘要
申请公布号
CA785313(A)
申请公布日期
1968.05.14
申请号
CAD785313
申请日期
申请人
THE SHERWIN-WILLIAMS COMPANY
发明人
THOMAS A. BLOOM;VERNON W. BLUE
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主分类号
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代理人
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