87221 ⎘
Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags; Manufacture of glass fibres or filaments; Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments; Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing Reshaping the ends
MULTI-CORE OPTICAL FIBER PREFORM, MULTI-CORE OPTICAL FIBER PREFORM PRODUCTION METHOD, AND MULTI-CORE OPTICAL FIBER PRODUCTION METHOD
#2OPTICAL FIBER GLASS PREFORM AND METHOD FOR MANUFACTURING OPTICAL FIBER GLASS PREFORM
#3METHOD FOR AUTOMATICALLY PROCESSING CONICAL TIP OF OPTICAL FIBER PREFORM
#4Optical fiber glass preform and method for manufacturing optical fiber glass preform
#5Production method for multicore optical fiber
#6Production method for multicore optical fiber
#7Optical fiber base material machining method
#8Micro-nozzle array
#9Method of forming conical shape on glass rod, and glass rod
#10Plant for producing an elongate element usable for producing an optical fibre
#11Optical fiber preform and method of manufacturing optical fiber using optical fiber preform
#12GLASS BASE MATERIAL, MANUFACTURING METHOD THEREOF, AND METHOD FOR MANUFACTURING OPTICAL FIBER
#13Optical fiber perform cone shaping or preparation method
#14Method for production of an optical component from quartz glass
#15Method for production of an optical component made from quartz glass
#16Method for making a preform