LOW-PURITY OXYGEN FEEDER,申请号JP19900094027-传众专利搜索

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发明名称	LOW-PURITY OXYGEN FEEDER
摘要
申请公布号	JPH03293012(A)	申请公布日期	1991.12.24
申请号	JP19900094027	申请日期	1990.04.11
申请人	HITACHI LTD	发明人	YAMAMOTO AKIO;ISHIZU HISAZUMI;YOSHIMATSU YUKIYOSHI
分类号	B01D53/22	主分类号	B01D53/22
代理机构		代理人
主权项
地址

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