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经营范围
发明名称
Liquid flow meters
摘要
申请公布号
GB645027(A)
申请公布日期
1950.10.25
申请号
GB19470033052
申请日期
1947.12.15
申请人
FRANTISEK HEJDUK;JAN NEUMANN
发明人
分类号
G01F3/18
主分类号
G01F3/18
代理机构
代理人
主权项
地址
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