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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0734400 (1991-07-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 27 인용 특허 : 0 |
A tray rack is constructed with a plurality of tray supports of approximately Z-shaped form adapted for supporting trays, each having four through holes arranged in the corners thereof, four supporting columns extending across the four through holes of their respective tray supports and having casto
A tray rack comprising: a plurality of tray supports for supporting trays, each tray support having four corners and four through holes in the corners thereof; four supporting columns extending across the four through holes of respective tray supports and having castors mounted to lowermost ends the
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