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发明名称
Level indicating apparatus
摘要
申请公布号
US2963201(A)
申请公布日期
1960.12.06
申请号
US19570662910
申请日期
1957.05.31
申请人
AMERICAN AIR FILTER COMPANY, INC.
发明人
WESTLIN KARL L.
分类号
G01F23/22
主分类号
G01F23/22
代理机构
代理人
主权项
地址
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