中文

Patents

[1]A Positioning and Quantitative Capped Eyedropper,唐四元, 授权日期:2012-11-07, 授权号:ZL 201220077244.6.
[2]A Soft PVC Air Cushion of Badpan for Skin Injury Prevention,唐四元, 授权日期:2012-07-11, 授权号:ZL 201120431039.0.
[3]A Model of Hand Intravenous Injection,唐四元, 授权日期:2010-05-26, 授权号:ZL 200920063931.0.
[4]A Spoon for Salt Control,唐四元, 授权日期:2010-05-12, 授权号:ZL 200920065038.1.
[5]Rectum Stimulator,唐四元, 授权日期:2010-01-27, 授权号:ZL 200920063932.5.

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Siyuan Tang

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