Process for the visualization of cracks in the interior of prestressed concrete pipes or those under high external pressure
DE923329C
Process for the production of mastic asphalt coverings and similar bituminous, preferably colored coverings with a pore-free smooth surface, especially for living rooms, offices, hospitals and the like. like
DE909881C
Method of making seals
DE884438C
Method of making seals
GB715469A
An improved method of and machine for winding webs, more particularly webs of stout material
GB687118A
Improvements in and relating to continuous impregnation of absorbent webs more particularly paste board webs
DE939421C
Device for the production of banded rolls from endless rigid webs, in particular roofing webs
DE810760C
Joint insert for structures made from concrete fields
DE945095C
Sealing road surface, especially for lightweight bridges
DE835575C
Process for the production of bituminous sealing and cover plates
DE885652C
Heated roller for feeding raw cardboard webs with bituminous masses
DE952706C
Agitator for mixing, especially of bituminous masses with fillers
