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经营范围
发明名称
Manufacture of chromane compounds
摘要
申请公布号
US2334743(A)
申请公布日期
1943.11.23
申请号
US19400341315
申请日期
1940.06.19
申请人
WINTHROP CHEMICAL COMPANY, INC.
发明人
BEHNISCH ROBERT
分类号
C07D311/58;C07D311/70
主分类号
C07D311/58
代理机构
代理人
主权项
地址
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