GB8814179D0
(en )
1988-07-20
Concrete block dressed with natural stones & method of manufacturing thereof
DE3369504D1
(en )
1987-03-05
Foamed concrete block and method of producing it
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
PL147031B2
(en )
1989-04-29
Method of making cellular concrete precast units in particular that of cutting precast cellular concrete blocks
GB2139547B
(en )
1987-01-28
Method for making concrete blocks
PL274069A1
(en )
1989-04-17
Apparatus for manufacturing precast units of prestressed concrete,in particular sleepers
GB8523177D0
(en )
1985-10-23
Cutting porous concrete block
PL241662A1
(en )
1985-06-18
Method of moulding and cutting into pieces cellular concrete blocks and mould therefor
PT74860A
(en )
1982-06-01
Plant for demoulding and cutting cellular concrete blocks
PL261202A2
(en )
1987-11-02
Mould for precasting cellular concrete blocks
PL267192A2
(en )
1988-07-07
Method of making precast porous concrete units
PL250742A1
(en )
1986-06-17
Apparatus for cutting semi-plastic bodies in particular cellular concrete
PL248411A1
(en )
1986-01-28
Method of manufacturing precast units of stones and concrete
PL245449A1
(en )
1985-07-02
Cellular concrete making method
PL267792A1
(en )
1989-03-20
Method for separating blocks,especially of stone and concrete
PL251240A2
(en )
1985-11-05
Method of making ash-filled concrete blocks
PL275105A1
(en )
1989-07-10
Method of manufacturing reinforced concrete precast units in particular
PL254664A2
(en )
1986-07-01
Method of making concrete precast units
PL246853A1
(en )
1985-09-24
Method of making slabs for use in building trade
PL243321A1
(en )
1985-02-13
Mould used for making cellular concrete units
PL250605A2
(en )
1985-11-05
Method of and apparatus for cutting blocks moulded of aerated concrete mix
PL235838A2
(en )
1983-01-31
Method of manufacturing prestressed concrete precast units
PL235143A1
(en )
1983-08-29
Apparatus for cutting semi-plastic bodies in particular those of cellular concrete
PL234486A1
(en )
1983-07-04
Apparatus for cutting semi-plastic bodies in particular of cellular concrete