发明名称 Mark-bearing support for dental X-ray film pack.
摘要 <p>A mark-bearing support (1) for a dental X-ray film pack (2) is disclosed. The support has an X-ray pervious bite portion (1a) to be clenched between upper and lower teeth and a support portion (1d) for temporarily holding the dental X-ray film pack thereon. The support portion (1d) is provided with a mark (1b) formed of an X-ray impervious material such as a lead-containing ink.</p>
申请公布号 EP0374361(A2) 申请公布日期 1990.06.27
申请号 EP19890114263 申请日期 1989.08.02
申请人 NIX COMPANY LTD. 发明人 TANAKA, HIROYUKI
分类号 A61B6/14;G03B42/04 主分类号 A61B6/14
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