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发明名称
Verfahren zur Trennung von Hexamethylentetramin von Ammoniumchlorid
摘要
申请公布号
DE521456(C)
申请公布日期
1931.03.25
申请号
DE1927K103893D
申请日期
1927.04.21
申请人
S. KARPEN & BROS.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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