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发明名称
Improvements in or relating to the production of ethyl ether
摘要
申请公布号
GB600757(A)
申请公布日期
1948.04.19
申请号
GB19450007755
申请日期
1945.03.27
申请人
LES USINES DE MELLE
发明人
分类号
主分类号
代理机构
代理人
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地址
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