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经营范围
发明名称
FORMALDEHYDE OBTAINING METHOD
摘要
申请公布号
PL140213(B2)
申请公布日期
1987.04.30
申请号
PL19850253095
申请日期
1985.04.24
申请人
发明人
分类号
C07C;C07C47/055;(IPC1-7):C07C47/055
主分类号
C07C
代理机构
代理人
主权项
地址
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