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发明名称
Improvements in and relating to counters
摘要
申请公布号
GB645336(A)
申请公布日期
1950.11.01
申请号
GB19460031640
申请日期
1946.10.24
申请人
SMITH METERS LIMITED;ARTHUR CHARLES
发明人
分类号
G01F15/07;G06M1/16
主分类号
G01F15/07
代理机构
代理人
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