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发明名称
PROCESS FOR THE PREPARATION OF AQUEOUS SOLUTIONS OF UNSATURATED QUATERNARY AMMONIUM SALTS
摘要
申请公布号
EP0250325(A3)
申请公布日期
1988.11.09
申请号
EP19870401373
申请日期
1987.06.18
申请人
SOCIETE CHIMIQUE DES CHARBONNAGES S.A.
发明人
HESS, RAYMOND;LACROIX, CHRISTIAN
分类号
C07C219/08;C07C67/00;C07C69/52;C07C213/00;C07C213/02;C07C231/00;C07C231/12;C07C233/38;(IPC1-7):C07C93/193
主分类号
C07C219/08
代理机构
代理人
主权项
地址
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ROTARY MAGNETIC FIELD TYPE ELECTROMAGNETIC INDUCTOR AND CONTINUOUS CASTING MOLD DEVICE USING SAID INDUCTOR