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经营范围
发明名称
Improvements in or relating to fluid flow meters
摘要
申请公布号
GB613182(A)
申请公布日期
1948.11.23
申请号
GB19460017929
申请日期
1946.06.14
申请人
RALPH POOLE
发明人
分类号
G01F1/46
主分类号
G01F1/46
代理机构
代理人
主权项
地址
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