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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0296030 (1994-08-25) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 30 인용 특허 : 0 |
A control device is provided for folding and expanding armrails of a playpen and includes a socket member having two distal ends each pivotably engaged with a corresponding one of the armrails, a coupling member received in each of the armrails and comprising a biasing member detachably engaged with
A control device for folding and expanding armrails of a playpen which comprises four pairs of armrails respectively arranged on four upper sides thereof, said control device cooperating with each pair of armrails and comprising: socket means having two distal ends each pivotally engaged with a corr
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