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发明名称
SIEVE ANALYSIS APPARATUS
摘要
申请公布号
GB9016259(D0)
申请公布日期
1990.09.12
申请号
GB19900016259
申请日期
1990.07.25
申请人
RHEWUM GMBH;QUARZWERKE GMBH
发明人
分类号
G01N15/02;B07B1/06;B07B1/28;B07B1/38;B07B1/46;B07B1/54
主分类号
G01N15/02
代理机构
代理人
主权项
地址
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