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经营范围
发明名称
METHOD OF OBTAINING OXYGEN BY LIQUEFYING AND REFINING AIR
摘要
申请公布号
JPS5533520(A)
申请公布日期
1980.03.08
申请号
JP19780105962
申请日期
1978.08.30
申请人
NIPPON OXYGEN CO LTD
发明人
OKADA HIDETAKE
分类号
F25J3/04
主分类号
F25J3/04
代理机构
代理人
主权项
地址
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