AU581923B2
(en )
1989-03-09
Method and apparatus for formation of blocks
IL86489A
(en )
1991-06-30
Concrete brick and process and apparatus for its fabrication
GB8814179D0
(en )
1988-07-20
Concrete block dressed with natural stones & method of manufacturing thereof
DE3573750D1
(en )
1989-11-23
Structural elements of compressed concrete, and apparatus for making them
ZA881468B
(en )
1988-08-23
Method and apparatus for the production of cellular concrete and foam concentrate used therein
PL271136A1
(en )
1988-11-24
Cement making method
EP0169022A3
(en )
1987-09-02
Concrete structural member and method for manufacture thereof
EP0319972A3
(en )
1990-06-06
Process for making and/or for treating concrete blocks
EP0293178A3
(en )
1989-08-23
Method and apparatus for cutting hollow-cored concrete slabs
EP0175930A3
(en )
1988-07-20
Process and apparatus for making hollow slabs and similar construction elements, preferably out of concrete
GB9112555D0
(en )
1991-07-31
Method of and apparatus for the splitting of slabs and blocks
PL267792A1
(en )
1989-03-20
Method for separating blocks,especially of stone and concrete
AU5049393A
(en )
1994-01-13
Method of and means for forming apertured concrete slabs
HUT66387A
(en )
1994-11-28
Method for making of concrete
AU6066196A
(en )
1996-10-03
Method of and means for penetrating concrete slabs
AU6997691A
(en )
1991-04-11
Method and means for forming apertured concrete slabs
BG49642A1
(en )
1992-01-15
Method for cutting concrete
AU7489487A
(en )
1988-11-04
Method and apparatus for removing concrete roadways
BG44268A1
(en )
1988-11-15
Method for preparing of cement concrete
JPS57173116A
(en )
1982-10-25
Method of cutting stone
PL248734A1
(en )
1985-04-24
Method of and apparatus for manufacturing concrete shapes,especially roofing-tiles
PL251240A2
(en )
1985-11-05
Method of making ash-filled concrete blocks
BG43065A1
(en )
1988-04-15
Method for preparing suspension for cement concrete
PL268966A2
(en )
1988-09-15
Concrete preparation method
PL269545A1
(en )
1989-06-26
Method for linking gypsym-cardboard slabs