GT21T-1/1S(B) GT21T-1/1S-HU/R(B) GT21T-1P-H GT21T-1P-H( C ) GT21T-1P-H(55) GT21T-1P-H(C) GT21T-1P-H(C)(55) GT21T-1S-HU GT21-WUCOV GT220