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公开(公告)号:US1901876A
公开(公告)日:1933-03-21
申请号:US30401028
申请日:1928-09-05
Applicant: HENRY LEHDE
Inventor: HENRY LEHDE
IPC: G01R33/14
CPC classification number: G01R33/14
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公开(公告)号:US2192446A
公开(公告)日:1940-03-05
申请号:US29843439
申请日:1939-10-07
Applicant: HENRY LEHDE
Inventor: HENRY LEHDE
IPC: A41H9/02
CPC classification number: A41H9/02
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3.
公开(公告)号:US2347200A
公开(公告)日:1944-04-25
申请号:US45025842
申请日:1942-07-09
Applicant: HENRY LEHDE
Inventor: HENRY LEHDE
IPC: G05B11/01
CPC classification number: G05B11/016
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4.Apparatus for detecting a definite color phase during the processing of a material 失效
Title translation: 用于在材料加工期间检测确定色相的装置公开(公告)号:US2287808A
公开(公告)日:1942-06-30
申请号:US34021240
申请日:1940-06-12
Applicant: HENRY LEHDE
Inventor: HENRY LEHDE
IPC: G01J1/36
CPC classification number: G01J1/36
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