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经营范围
发明名称
Purification of phthalic anhydride
摘要
申请公布号
US2091289(A)
申请公布日期
1937.08.31
申请号
US19340759973
申请日期
1934.12.31
申请人
THE SOLVAY PROCESS COMPANY
发明人
PORTER FRANK
分类号
C07C51/573
主分类号
C07C51/573
代理机构
代理人
主权项
地址
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