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公开(公告)号:US3000113A
公开(公告)日:1961-09-19
申请号:US71959858
申请日:1958-03-06
Applicant: VALSPAR CORP
Inventor: OLSON WALTER H
IPC: G09F5/04
CPC classification number: G09F5/04
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公开(公告)号:US3384983A
公开(公告)日:1968-05-28
申请号:US54810966
申请日:1966-05-06
Applicant: VALSPAR CORP
Inventor: OLSON WALTER H
IPC: G01J3/52
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