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发明名称
ELECTRONIC THICKNESS METER HAVING DIRECT READOUT OF COATING THICKNESS
摘要
申请公布号
US3441840(A)
申请公布日期
1969.04.29
申请号
USD3441840
申请日期
1967.03.31
申请人
MARTIN MARIETTA CORP.
发明人
WILLIAM R. RANDLE
分类号
G01B7/06;G01R33/00;(IPC1-7):G01R33/00
主分类号
G01B7/06
代理机构
代理人
主权项
地址
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