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发明名称
Wipeless oil gauge
摘要
申请公布号
US1981270(A)
申请公布日期
1934.11.20
申请号
US19330698817
申请日期
1933.11.20
申请人
HOLLINGSWORTH CARL W
发明人
HOLLINGSWORTH CARL W.
分类号
G01F23/04
主分类号
G01F23/04
代理机构
代理人
主权项
地址
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