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经营范围
发明名称
PERMANENT MAGNET FOCUSING DEVICE
摘要
申请公布号
CA493532(A)
申请公布日期
1953.06.09
申请号
CAD493532
申请日期
申请人
GENERAL ELECTRIC COMPANY
发明人
ROLLIN J. PARKER
分类号
主分类号
代理机构
代理人
主权项
地址
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Polyether derivatives, their use as emulsifiers and emulsions containing a standard of the polyether derivatives.
Coloured photo-hardenable composition.
