Dehydration and sintering apparatus for porous optical fiber...
Dehydration-sintering furnace, a manufacturing method of an...
Device and method for drawing optical fibers
Device for drawing an optical fiber including a more...
Device for making fiber couplers automatically
Device for manufacturing a composite yarn
Device for manufacturing a rod of a material having a cross-sect
Device for sintering a shaped body
Double crucible for a glass drawing method and method of...