簽名 全部5Acustone® [APT] Acustone PET [RGH] Rough Concrete [10005] Middle grey [APT] Acustone PET [SMO] Smooth [10004] Light Grey [APT] Acustone PET [TRC] Travertine Classic [01084] Middle Pebble Grey [APT] Acustone PET [SMO] Smooth [10023] Signal grey [APT] Acustone PET [SUG] Japan Sugi Wood [10033] Pale Brown