ดาวน์โหลด

ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
E21F0005000000 Safety devices; Rescue devices 1
E21F0005000000 Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (dams E21F0017103000; applying liquids or other fluent materials to surfaces in general B05; flue-gas indicators G01N) 1
E21F0005020000 by wetting or spraying 1
E21F0005040000 Spraying barriers (spray nipples, spraying in general B05B, B05D; picks with arrangement of fluid-spraying nozzles E21C0035187000) 1
E21F0005060000 Fluids used for spraying 1
E21F0005080000 Rock dusting; Depositing other protective substances 1
E21F0005100000 Devices for rock dusting 1
E21F0005120000 Composition of rock dust 1
E21F0005140000 Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions 1
E21F0005160000 Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers (dust-absorbing materials in general C09K0003220000) 1
E21F0005180000 Impregnating walls, or the like, with liquids for binding dust 1
E21F0005200000 Drawing-off or depositing dust (methods or apparatus for flushing boreholes E21B0021000000; while slitting E21C0035220000) 1
E21F0007000000 Methods or devices for drawing-off gases with or without subsequent use of the gas for any purpose 1
E21F0009000000 Devices preventing sparking of machines or apparatus (preventing sparking of electric machines or apparatus H01K, H02K) 1
E21F0011000000 Rescue devices or other safety devices, e.g. safety chambers or escape ways (breathing aids for curative purposes A61H0031000000; respiratory apparatus A62B0007000000; breathing apparatus for accidentally buried persons A62B0033000000) 1
จำนวนรหัสข้อมูล 15 จาก 73902