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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
F22B0037320000 using centrifugal force 1
F22B0037340000 Adaptations of boilers for promoting water circulation (auxiliary devices for promoting water circulation F22D0007000000) 1
F22B0037360000 Arrangements for sheathing or casing boilers 1
F22B0037380000 Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes (measuring or indicating instruments in general G01) 1
F22B0037400000 Arrangements of partition walls in flues of steam boilers, e.g. built-up from baffles (in flues or chimneys F23J0013000000) 1
F22B0037420000 Applications, arrangements, or dispositions of alarm or automatic safety devices (for feed-water heaters F22D0001140000; alarms responsive to undesired or abnormal conditions G08B) 1
F22B0037440000 of safety valves (safety valves per seF16K) 1
F22B0037460000 responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers (fire-fighting, fire extinction in general A62) 1
F22B0037470000 responsive to abnormal temperature, e.g. actuated by fusible plugs (such alarms or devices per seG08B) 1
F22B0037480000 Devices or arrangements for removing water, minerals, or sludge from boilers (cleaning water tubes, furnace tubes, or the like of boilers F23J, F28G) 1
F22B0037500000 for draining or expelling water 1
F22B0037520000 Washing-out devices 1
F22B0037540000 De-sludging or blow-down devices 1
F22B0037560000 Boiler-cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down 1
F22B0037580000 Removing tubes from headers or drums; Extracting tools 1
จำนวนรหัสข้อมูล 15 จาก 73902