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经营范围
发明名称
PROCESS FOR PURIFICATION OF RARE GAS
摘要
申请公布号
US5194233(A)
申请公布日期
1993.03.16
申请号
US19910754462
申请日期
1991.09.03
申请人
JAPAN PIONICS CO., LTD.
发明人
KITAHARA, KOICHI;OHTSUKA, KENJI;TAKEMASA, NOBORU;KAMIYAMA, SHINOBU
分类号
B01D53/14;B01D53/28;B01J20/02;C01B23/00;C22C16/00;C22C27/02
主分类号
B01D53/14
代理机构
代理人
主权项
地址
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