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发明名称
DUST-CONCENTRATION MEASURING METHOD
摘要
申请公布号
JPH0989772(A)
申请公布日期
1997.04.04
申请号
JP19950270668
申请日期
1995.09.26
申请人
NKK CORP
发明人
WASHIMI FUMIHIRO;IZAWA TOMOO;ISOBE TAKESHI
分类号
G01N15/06;G01N21/59;(IPC1-7):G01N21/59
主分类号
G01N15/06
代理机构
代理人
主权项
地址
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