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经营范围
发明名称
Nitrogen recovery
摘要
申请公布号
GB989380(A)
申请公布日期
1965.04.14
申请号
GB19620012416
申请日期
1962.03.30
申请人
ENGELHARD INDUSTRIES, INC.
发明人
分类号
C01B21/02;C01B21/04;F25J3/02
主分类号
C01B21/02
代理机构
代理人
主权项
地址
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