Friction element for operating in fluid

Friction engaging device

Friction lining and wear-resistant part

Friction material

Friction material

Friction material composition and friction material produced...

Friction material for clutch facings and the like

Gasket for layer-built fuel cells and method for making the...

Gasket material

Gaskets

Glass fiber friction facing

Glass material

Glass substrate for an optical disk and a manufacturing...

Glass substrate for magnetic disk

Glass substrate for magnetic disks and process for its...

Glass substrate for magnetic recording media and...

Glass substrate for magnetic recording medium and method of...

Glass substrate for magnetic recording medium, magnetic...

Glass substrate of disk for recording information, a disk for re

Glass substrate of disk for recording information, a disk for re