This method covers the approximate determination of clay lumps and friable particles in natural aggregates. This standard may involve hazardous materials@ operations@ and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
T 112-2000 history
2023T/CIET 112-2023 General requirements for smart home application security
2018TB/T 1720-2017 Railway passenger car and EMU drainage device
2010TB/T 1720-2010 Water supply devices of railway passenger car
1974TB/T 112-1974 Type and size of water injection port (type A, B) for passenger cars