FR889320A
(en )
1944-01-06
Process for establishing reinforced concrete structures
DK67822C
(en )
1948-10-18
Apparatus for demoulding precast concrete pipes.
DK64165C
(en )
1945-12-10
Apparatus for cleaning drainage pipes.
DK64501C
(en )
1946-05-20
Apparatus for Clamping Two Formwork Walls.
DK67629C
(en )
1948-09-13
Procedure for Casting Concrete Pipe Tubes and Apparatus for Carrying Out the Procedure.
FR921140A
(en )
1947-04-28
Formwork device for concrete structures
DK67401C
(en )
1948-08-09
The pipe cores for the production of concrete sleeve pipes.
DK72428C
(en )
1951-04-16
Machine for casting concrete pipes.
CH247916A
(en )
1947-03-31
Floating aerodrome and method for its construction.
DK67404C
(en )
1948-08-09
Apparatus for Cutting Plates, e.g. Tile or Concrete Slabs.
DK69294C
(en )
1949-05-30
Apparatus for cleaning drainage pipes.
DK81552C
(en )
1956-12-10
Mold for making concrete pipes.
FI22201A
(en )
1947-06-07
Mold for hollow concrete pieces
FR909823A
(en )
1946-05-20
Segment device for reinforced concrete structures
FR937372A
(en )
1948-08-16
Advanced formwork for concrete facings
ES10513Y
(en )
1945-09-01
Vibrated concrete fence for building openings
IE17367L
(en )
1944-11-24
Shuttering for concrete walls etc.
DK97805C
(en )
1964-01-20
Apparatus for making concrete pipes.
DK71398C
(en )
1950-08-21
Apparatus for compressing plastics.
DK78602C
(en )
1954-12-13
Process for the production of lightweight concrete.
DK64463C
(en )
1946-04-29
Device for Concrete Mixers.
FR919561A
(en )
1947-03-12
metal formwork element for concrete
DK76101C
(en )
1953-07-13
Method for casting concrete walls.
DK71460C
(en )
1950-09-04
Forming machine for making artificial stone.
DK75942C
(en )
1953-06-08
Apparatus for treating mold sand.