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经营范围
发明名称
Fusion of vanillin
摘要
申请公布号
US2547920(A)
申请公布日期
1951.04.10
申请号
US19490102160
申请日期
1949.06.29
申请人
CELANESE CORPORATION OF AMERICA
发明人
FORTESS FRED;WHITE BLANCHE B.
分类号
C07C51/295
主分类号
C07C51/295
代理机构
代理人
主权项
地址
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