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发明名称
PURIFICATION PROCESS
摘要
申请公布号
CA487927(A)
申请公布日期
1952.11.11
申请号
CAD487927
申请日期
申请人
AMERICAN CYANAMID COMPANY
发明人
BRIAN L. HUTCHINGS
分类号
主分类号
代理机构
代理人
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地址
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