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经营范围
发明名称
Process of preparing a tetrahydrodibenzopyran
摘要
申请公布号
GB558554(A)
申请公布日期
1944.01.11
申请号
GB19410011549
申请日期
1941.09.09
申请人
ROGER ADAMS
发明人
分类号
C07D311/80
主分类号
C07D311/80
代理机构
代理人
主权项
地址
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