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US4738038A Advertising display card apparatus 失效
广告显示卡设备

Advertising display card apparatus
摘要:
A lightweight compact, portable, advertising display apparatus provides an attractive, rotatable, miniature billboard assembly for displaying advertising material to viewing areas about the advertising display apparatus. The advertising display apparatus includes a plastic shaft with a convenient handle and a special coupling head which fits into corresponding keyholes in the container assembly to provide for easy assembly and disassembly of the unit when inserting and removing different advertising material.
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