发明名称 Photographic instruction card holder
摘要 A card holder comprising a single-piece transparent material having a rear face and folded therefrom and in close proximity thereto a front face; and projecting from the end of one of said faces a section of said transparent material adapted to engage with the body of camera. The projecting section typically may have a hole into which a tripod or camera case screw can be placed or may slide into an accessory shoe or flash attachment shoe.
申请公布号 US4301608(A) 申请公布日期 1981.11.24
申请号 US19790016357 申请日期 1979.03.01
申请人 TAYLOR, JR., HERBERT N. 发明人 TAYLOR, JR., HERBERT N.
分类号 G03B17/56;G09F3/18;(IPC1-7):G09F3/18 主分类号 G03B17/56
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