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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
F25D0023120000 Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove 1
F25D0025000000 Charging, supporting, or discharging the articles to be cooled 1
F25D0025020000 by shelves 1
F25D0025040000 by conveyors (in general B65G) 1
F25D0027000000 Lighting arrangements (in general F21) 1
F25D0029000000 Arrangement or mounting of control or safety devices 1
F25D0031000000 Other cooling or freezing apparatus 1
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT (cryogenic pumps F04B0037080000; gas storage vessels, gas-holders F17; filling vessels with, or discharging from vessels, compressed, liquefied, or solidified gases F17C; refrigeration machines, plants, or systems F25B) 1
F25J0001000000 Processes or apparatus for liquefying or solidifying gases or gaseous mixtures 1
F25J0001020000 requiring the use of refrigeration, e.g. of helium or hydrogen 1
F25J0003000000 Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification 1
F25J0003020000 by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream (F25J0003080000 takes precedence);; 1
F25J0003040000 for air 1
F25J0003060000 by partial condensation (F25J0003080000 takes precedence;by rectification F25J0003020000) 1
F25J0003080000 Separating gaseous impurities from gases or gaseous mixtures (cold traps B01D0008000000) 1
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