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发明名称
Improvements in fluid flow meters
摘要
申请公布号
GB347908(A)
申请公布日期
1931.05.07
申请号
GB19300015645
申请日期
1930.05.21
申请人
JACOB MOSES SPITZ GLASS
发明人
分类号
G01F1/37
主分类号
G01F1/37
代理机构
代理人
主权项
地址
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