-
21.Installation suitable for the irradiation of substances with ultra-violet light 失效
Title translation: 安装适合用紫外线照射物质公开(公告)号:US1906038A
公开(公告)日:1933-04-25
申请号:US37702529
申请日:1929-07-09
Applicant: GEN ELECTRIC
Inventor: GUSTAV ZECHER
公开(公告)号:US1906038A
公开(公告)日:1933-04-25
申请号:US37702529
申请日:1929-07-09
Applicant: GEN ELECTRIC
Inventor: GUSTAV ZECHER