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发明名称
METHOD FOR MEASURING HYDROGEN CONCENTRATION AND HYDROGEN METER
摘要
申请公布号
JPH04104037(A)
申请公布日期
1992.04.06
申请号
JP19900220104
申请日期
1990.08.23
申请人
HITACHI LTD
发明人
INAGE SHINICHI;YAMAMOTO HAJIME;YONEDA YOSHIYUKI
分类号
G01N7/00;G01N27/04
主分类号
G01N7/00
代理机构
代理人
主权项
地址
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