ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G01N0025140000 by using distillation, extraction, sublimation, condensation, freezing, or crystallisation (G01N0025020000 takes precedence);; 1
G01N0025160000 by investigating thermal coefficient of expansion 1
G01N0025180000 by investigating thermal conductivity (by calorimetry G01N0025200000; by measuring change of resistance of an electrically-heated body G01N0027180000) 1
G01N0025200000 by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity 1
G01N0025220000 on combustion or catalytic oxidation, e.g. of components of gas mixtures 1
G01N0025240000 using combustion tubes, e.g. for micro-analysis 1
G01N0025260000 using combustion with oxygen under pressure, e.g. in bomb calorimeter 1
G01N0025280000 the rise in temperature of the gases resulting from combustion being measured directly 1
G01N0025300000 using electric temperature-responsive elements 1
G01N0025320000 using thermoelectric elements 1
G01N0025340000 using mechanical temperature-responsive elements, e.g. bimetallic 1
G01N0025360000 for investigating the composition of gas mixtures 1
G01N0025380000 using the melting or combustion of a solid 1
G01N0025400000 the heat developed being transferred to a flowing fluid 1
G01N0025420000 continuously 1