คำอธิบายกรรมสิทธิ์STFH,1/1,PRINCIPAL UNIT 3 DEPOSITED PLAN 575175 AND ACCESSORY UNIT 59P DEPOSITED PLAN 575175 AND ACCESSORY UNIT 61P DEPOSITED PLAN 575175 AND ACCESSORY UNIT 62P DEPOSITED PLAN 575175 AND ACCESSORY UNIT 63P DEPOSITED PLAN 575175 AND ACCESSORY UNIT 64P DEPOSITED PLA