Process for producing a plastic panel having a layer reflecting and/or absorbing rays
DE3205440A1
Method for steeping a body
DE3205439A1
Solar concentrator having concave mirrors
DE3146261A1
Fibrous additive
DE3125622A1
Panel as facade cladding or roof tile
DE3125620A1
Window, in particular domelight
DE3124490A1
Process for the curing of polymerisable plastics
DE3107888A1
SOLAR CONCENTRATOR
DE3035233A1
Bonding flat esp. cellulose acetate-butyrate parts - with hardenable syrup of polymethacrylate beads in methyl methacrylate soln.
DE3012099A1
Complete impregnation of objects with hardenable liq. esp. polymer - where surface of object is temporarily sealed by wax layer during impregnation
DE3012098A1
Plastics sanitary ware cast against ceramic surface - to give finish resembling ceramic esp. to polymethacrylate articles
DE2924510A1
Solar cell concentrator with Fresnel lens - has single or double sided Fresnel lens embedded in plastics or glass
DE2840002A1
Embedding vegetable or animal specimens in cast acrylic! blocks - using acrylic! beads and acrylate! mixt., superficially gelling, placing specimen on top, adding acrylate and polymerising
IT7820408D0
Reinforcing porous material - by degasifying and dehydrating in vacuo and applying impregnating soln. contg. curable synthetic resin
CH632036A5
Process for increasing the strength of a porous body and its resistance to weathering
DE2803817A1
Engine oil regeneration - by paper filter, activated carbon and bleaching agent
DE2742659A1
Transparent solar heat conserving double panel - with cross-arms between cover layers forming interconnected chambers through which fluid circulates