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发明名称
DUST MEASURING METHOD
摘要
申请公布号
JPH0375541(A)
申请公布日期
1991.03.29
申请号
JP19890210732
申请日期
1989.08.17
申请人
SAMATA MITSUO
发明人
SAMATA MITSUO
分类号
G01N15/00;G01N15/02
主分类号
G01N15/00
代理机构
代理人
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