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经营范围
发明名称
METHOD OF DETERMINING THE VOLUME OF PARTICLES
摘要
申请公布号
GB1540687(A)
申请公布日期
1979.02.14
申请号
GB19770045263
申请日期
1977.10.31
申请人
LEEDS & NORTHRUP CO
发明人
分类号
G01J4/00;G01N15/02;G01N15/14;(IPC1-7):G01N21/00
主分类号
G01J4/00
代理机构
代理人
主权项
地址
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