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Wang; Yi-Lung
Keelung, TW
No. of patents:

Patent Number Title Of Patent Date Issued
5940911 Multi-functional bed structure August 24, 1999
Disclosed is a multi-functional bed structure which includes a main operational control unit and a bed portion. The main operational control unit includes an elevating mechanism which can be controlled to cause the bed portion to move up and down or forward and backward reciprocatingly i

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