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发明名称
LIQUID LEVELING METHOD AND APPARATUS
摘要
申请公布号
US3430667(A)
申请公布日期
1969.03.04
申请号
USD3430667
申请日期
1967.02.23
申请人
GENERAL MOTORS CORP.
发明人
WALTON HUGHES
分类号
G01F23/16;(IPC1-7):G01F23/22;F16K21/18
主分类号
G01F23/16
代理机构
代理人
主权项
地址
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