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发明名称
PROCESS OF REFINING DIMETHYLFORMAMIDE
摘要
申请公布号
CA520925(A)
申请公布日期
1956.01.17
申请号
CAD520925
申请日期
申请人
VEREINIGTE GLANZSTOFF-FABRIEKEN A.G.
发明人
ERNST PIROT
分类号
主分类号
代理机构
代理人
主权项
地址
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