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1992 Taiwan Patent NO.85824
2000 Taiwan Patent NO.067628
2001 Taiwan Patent NO.180513
2010 Taiwan Patent NO.M389721
2010 Taiwan Patent NO.M389722
2011 China Patent ZL 2010 2 0194531.6
2011 China Patent ZL 2010 2 0194538.8
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1994 NO.00657929, NO.00602006
2004 NO.01087455
2010 NO.01441187