发明名称 Bitewing X-ray film holders
摘要 A bite wing x-ray film holder includes at least one packet of liquid food product that is adapted to release that food product into the patient's mouth during the x-ray procedure.
申请公布号 US4916724(A) 申请公布日期 1990.04.10
申请号 US19890379217 申请日期 1989.07.13
申请人 KILBER, TRUDY 发明人 KILBER, TRUDY
分类号 G03B42/04 主分类号 G03B42/04
代理机构 代理人
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