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R.O.C. Patent No.M327901
R.O.C. Patent No.M328051
R.O.C. Patent No.M328052
R.O.C. Patent No.M328088
R.O.C. Patent No.M360923
China Patent No.M404874
R.O.C. Patent No.M426110
China Patent No.1071769
China Patent No.1121898
China Patent No.1121899
China Patent No.1121900
China Patent No.1298528
U.S.A. Patent
No.US7696886
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