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发明名称
OXYGEN CONCENTRATION REDUCING METHOD IN ATMOSPHERIC FURNACE AND OXYGEN CONCENTRATION ULTRA-LOWERING ATMOSPHERIC FURNACE
摘要
申请公布号
JPH02238289(A)
申请公布日期
1990.09.20
申请号
JP19890055616
申请日期
1989.03.08
申请人
R I DENSHI KOGYO:KK;YAMATO SEISAKUSHO:KK
发明人
FURUYA TOSHIO;HAMANO MASAYOSHI
分类号
F27D7/02
主分类号
F27D7/02
代理机构
代理人
主权项
地址
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