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公开(公告)号:US862336A
公开(公告)日:1907-08-06
申请号:US1907368293
申请日:1907-04-15
Applicant: KALLAB FERDINAND VICTOR
Inventor: KALLAB FERDINAND VICTOR
CPC classification number: G01J3/522
公开(公告)号:US862336A
公开(公告)日:1907-08-06
申请号:US1907368293
申请日:1907-04-15
Applicant: KALLAB FERDINAND VICTOR
Inventor: KALLAB FERDINAND VICTOR
CPC classification number: G01J3/522