发明名称 Dental astral lamp
摘要 A dental astral lamp using a tungsten halogen lamp as a light source is detachably provided on its light emanating plane with a color temperature transducing filter serving to reduce a luminous intensity at its focal position to a range of 1,500 to 4,500 luxes and transduce a color temperature to a range of 5,000 to 7,500 kelvins.
申请公布号 US4897772(A) 申请公布日期 1990.01.30
申请号 US19880289250 申请日期 1988.12.23
申请人 G-C DENTAL INDUSTRIAL CORP. 发明人 IBUSUKI, MASUMI;ISHIKAWA, HIDEHITO
分类号 F21S2/00;A61B19/00;A61C19/00;F21S8/00;F21V9/08 主分类号 F21S2/00
代理机构 代理人
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