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发明名称
Meter disk
摘要
申请公布号
US2029319(A)
申请公布日期
1936.02.04
申请号
US19330660810
申请日期
1933.03.15
申请人
HANKS FREDERICK W
发明人
HANKS FREDERICK W.
分类号
G01F3/12
主分类号
G01F3/12
代理机构
代理人
主权项
地址
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