CH324810A
(en )
1957-10-15
Pipe joint
AT184004B
(en )
1955-12-10
Butt joint of pipes made of reinforced concrete and methods of making such joints
FR1084115A
(en )
1955-01-17
Connection joint for pipes
AT178070B
(en )
1954-04-10
Pipe for the production of in-situ concrete piles
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH313326A
(en )
1956-04-15
Framework made of reinforced concrete
FR1050208A
(en )
1954-01-06
Culvert and method for its construction
ES33971Y
(en )
1953-06-01
Watertight joint for concrete and similar pipes
AT182217B
(en )
1955-06-10
Method for the rapid assembly of structures from prefabricated, articulated parts
AT182288B
(en )
1955-06-10
Process for the production of welded rail joints
FR1124251A
(en )
1956-10-08
Method of connecting pipe sections and resulting pipes
AT185084B
(en )
1956-03-26
Process for the construction of glass-concrete structures and means for carrying out this process
CH321765A
(en )
1957-05-31
Irrigation hose made of elastomeric material and process for its manufacture
CH337643A
(en )
1959-04-15
Process for the erection of load-bearing structures and formwork arrangement for the implementation of this process
CH314052A
(en )
1956-05-31
Process for the continuous casting of socket pipes
AT180552B
(en )
1954-12-27
Method and device for the expansion of pits and other spaces using anchors
FR1073804A
(en )
1954-09-29
Concrete pipe assembly joint
FR1060574A
(en )
1954-04-02
Crossing under reinforced concrete tracks
AT181419B
(en )
1955-03-25
Tensile and bending-resistant butt joint of already hardened reinforced concrete support parts
FR1059669A
(en )
1954-03-26
Pipe joint
AT184535B
(en )
1956-01-25
Method and device for determining the course of boreholes
AT191804B
(en )
1957-09-25
Process for the construction of penstocks and penstocks produced afterwards
AT179739B
(en )
1954-09-25
Method and device for the production of pressure pipes from hardening building materials
AT173271B
(en )
1952-12-10
Method and device for the manufacture of cement pipes
GR13189B
(en )
1951-09-28
METHOD OF CONSTRUCTION OF BEAM JOINTS AND PILLARS FOR BUILDING MODELS.