|
FR2597955A1
|
|
DEVICE FOR CONNECTING CORRUGATED PIPES BETWEEN THEM OR FOR SEALING AN OPENING IN SUCH A PIPE
|
|
DE3643835A1
|
|
Device for connecting the ends of, or for closing openings in, corrugated pipes
|
|
DE3514445A1
|
|
FAÇADE CLOTHING, ESPECIALLY FOR OLD BUILDINGS
|
|
ZA8400705B
|
|
Vertical hole type brick
|
|
FR2558925A1
|
|
Drainage pipe with a cover filtering in natural fibers and manufacturing method
|
|
NL8400263A
|
|
Buried drain pipe with fibrous filters incorporating metal wire - to suppress microbiological degradation by persistent release of heavy metal ions
|
|
EP0111271A1
|
|
Pipe of plastic, especially for sewage
|
|
DE3343287A1
|
|
Vertically perforated brick
|
|
DE3338411A1
|
|
Process for eliminating gaseous hydrocarbons from gases, in particular from flue gases
|
|
DE3235624A1
|
|
SLEEVED COUPLING FOR PIPELINES
|
|
DE3230323A1
|
|
Drainage pipe with a filtering casing of natural fibres
|
|
DE3118881A1
|
|
"BRICK"
|
|
DE3012980A1
|
|
Tractor-drawn drainage laying plough - uses continuous filter drain mat with drum feeding mat into groove behind plough blade
|
|
DE3012568A1
|
|
Drainage slab carrying water on slope to drain-pipe - has bottom form locking element, pref. semicircular groove, partly sheathing pipe
|
|
DE3011825A1
|
|
Waterproof layer esp. for gun applied concrete tunnel lining - has mesh reinforced central impermeable plastics core and tangled fibre facings
|
|
DE3005668A1
|
|
Hollow wall brick with monolithic bonded ceramic shell - where layer of thermally insulating material is attached to outside surface of brick
|
|
DE3001401A1
|
|
Hollow building block prodn. - forms one piece shell with coupling strips, severed after block filling with heat insulating material
|
