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发明名称
ACOUSTIC DENSITY METER
摘要
申请公布号
JPH0392747(A)
申请公布日期
1991.04.17
申请号
JP19890228400
申请日期
1989.09.05
申请人
TORIGOE IPPEI;ISHII YASUSHI
发明人
TORIGOE IPPEI;ISHII YASUSHI
分类号
G01N9/00
主分类号
G01N9/00
代理机构
代理人
主权项
地址
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