Australian Trademark Classification AU01 Chemicals 腐蚀性碱性氢氧化物（340） Class 01 caustic alkaline hydroxides 340 腐蚀性碱性氢氧化物 Chinese 腐蚀性碱性氢氧化物 English caustic alkaline hydroxides Spanish hidróxidos alcalinos cáusticos Site ref. 340 Class 01