Home / Standards / GB/T 38979-2020 GB/T 38979-2020 Active Sanitary wares—Test method for flushing noise of toilet 卫生陶瓷 坐便器冲洗噪声试验方法 Standard Type GBT ICS 91.140.70 CCS Q31 Status 现行 Issue Date 2020-07-21 Implementation 2021-06-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A