H.sub.2 O.sub.2 /alkaline bleaching of wood pulps

Handling fibrous material used to produce cellulose pulp

Hard board or medium density board, process for production there

Hardwood pulp having a tactile sense of softness, and tissue pap

Head box for a paper machine

Head box for a paper making machine

Head box for a paper making machine

Head box for a paper making machine

Head box for a paper making machine with a guide surface adjusta

Head box for a papermaking machine

Head box for cylinder molds having a flexible lid element

Head box guide block having bores and tubular inserts

Head box having distributor pipe connected to a pulp guide block

Head box having guide block and adjustable slice plates

Head box in a paper machine

Head box of paper machine

Head box with reducing stream gate

Headbox

Headbox

Headbox