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发明名称
APPARATUS AND METHOD FOR PREPARING MELAMINE
摘要
申请公布号
CA502044(A)
申请公布日期
1954.05.04
申请号
CAD502044
申请日期
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
WILLIAM FRANKLIN GRESHAM
分类号
主分类号
代理机构
代理人
主权项
地址
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