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发明名称
PREPARATION OF PYRAZINOIC ACID
摘要
申请公布号
CA544473(A)
申请公布日期
1957.08.06
申请号
CAD544473
申请日期
申请人
AMERICAN CYANAMID COMPANY
发明人
WILLARD L. MCEWEN
分类号
主分类号
代理机构
代理人
主权项
地址
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