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经营范围
发明名称
DUST RESISTIVITY EVALUATION TESTER
摘要
申请公布号
JPS5566731(A)
申请公布日期
1980.05.20
申请号
JP19780139877
申请日期
1978.11.15
申请人
HITACHI LTD
发明人
KATOU TAKAHIRO;KARAKAMA YOSHIAKI
分类号
G01M99/00;G01N17/00
主分类号
G01M99/00
代理机构
代理人
主权项
地址
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