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经营范围
发明名称
Improvements in and relating to production of maleic or phthalic anhydride
摘要
申请公布号
GB415748(A)
申请公布日期
1934.08.27
申请号
GB19330002622
申请日期
1933.01.27
申请人
NATIONAL ANILINE & CHEMICAL COMPANY, INC.
发明人
分类号
C07C51/48;C07C51/573
主分类号
C07C51/48
代理机构
代理人
主权项
地址
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