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发明名称
Vitamin d2 double compounds
摘要
申请公布号
US2257176(A)
申请公布日期
1941.09.30
申请号
US19390280582
申请日期
1939.06.22
申请人
WINTHROP CHEMICAL COMPANY, INC.
发明人
LINSERT OTTO
分类号
C07C401/00
主分类号
C07C401/00
代理机构
代理人
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