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公开(公告)号:US1617024A
公开(公告)日:1927-02-08
申请号:US62750523
申请日:1923-03-24
Applicant: MUNSELL COLOR COMPANY INC
Inventor: MUNSELL ALEXANDER E O , BOND MILTON E
IPC: G01J3/52
公开(公告)号:US1617024A
公开(公告)日:1927-02-08
申请号:US62750523
申请日:1923-03-24
Applicant: MUNSELL COLOR COMPANY INC
Inventor: MUNSELL ALEXANDER E O , BOND MILTON E
IPC: G01J3/52