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发明名称
Rotary impeller gas meters
摘要
申请公布号
US2710540(A)
申请公布日期
1955.06.14
申请号
US19510217702
申请日期
1951.03.27
申请人
AERZENER MASCHINENFABRIK G. M. B. H.
发明人
GROTE PAUL
分类号
G01F15/00
主分类号
G01F15/00
代理机构
代理人
主权项
地址
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