Drawing laminated polarizing glasses

Drawing method for bare optical fiber with suppressed...

Drawing method of optical fiber and drawing furnace

Drawing optical waveguides by heating with laser radiation

Drive apparatus for straight line shear mechanism

Drive system for a glass container production line

Drive system for glass furnace stirrers

Driven roller tube conveyor

Drop forming glass sheets with auxiliary shaping means

Drying and preheating agglomerates containing clay having coarse

Dual control burner manifold for CRT production

Dual ring segmented block tempering ring

Dual strand packaging apparatus

Dual-stage blowhead assembly

Durable substrates having porous antireflection coatings