ELECTRIC HEATING ELEMENT
申请公布号:BG44018(A1)
申请号:BG19870079596
申请日期:1987.05.05
申请公布日期:1988.09.15
发明人:MLADENOV,MLADEN A.,BG
分类号:H05B3/46;(IPC1-7):H05B3/46
主分类号:H05B3/46
Mounting rail for flat heaters
Method for splicing glass fibre units and device for carrying out the method
X-ray diagnosis system having an X-ray tube which is connected to earth at one terminal
Telescopic antenna which can be retracted or extended by means of an electric motor
Carbide cutting insert for a cutter pick
Circuit for individual control of the autofocus motor in slide projectors
EXTRACTING DEVICE FOR SAMPLE IN DRIER
MANUFACTURE OF HEAT-INSULATING BOX BODY
METHOD OF CONTROLLING SHUT-DOWN TIME IN ABSORPTION REFRIGERATOR
MANUAL VALVE OF AUTOMATIC SPEED CHANGE GEAR
CONNECTION STRUCTURE OF ROOF FILM SUPPORT IN AIR FILM STRUCTURE