BG31499A3
(en )
1982-01-15
Method for obtaining of 1- vinyl- triazol derivatives
JPS5697001A
(en )
1981-08-05
Ballast filling apparatus of railroad rail
BG33292A3
(en )
1983-01-14
Method for obtaining of penamsulphooxide derivatives
BG33295A3
(en )
1983-01-14
Method for obtaining of vindezine
BG29374A1
(en )
1980-11-14
Method for reconstruction of rail way tunnels
JPS5424436A
(en )
1979-02-23
Method of continuing elevated track
GB2023835B
(en )
1983-02-02
Transcrption of numbers representative of geometrical defects of railway tracks
JPS53111627A
(en )
1978-09-29
Method of tunneling under railway
JPS5332504A
(en )
1978-03-27
Method of fixing railroad tie
JPS55119207A
(en )
1980-09-12
Method of coupling rail
JPS53111626A
(en )
1978-09-29
Method of tunneling under railway
JPS5598503A
(en )
1980-07-26
Apparatus for connecting splice portion of rail
GB2006859B
(en )
1982-06-16
Method and apparatus for laying railway track
JPS54128126A
(en )
1979-10-04
Tunnel execution method under railroad track
JPS53139330A
(en )
1978-12-05
Method of tunneling along railway
BG31798A3
(en )
1982-03-15
Method for obtaining of decahydrohinolinol derivatives
JPS5660000A
(en )
1981-05-23
Lining method of tunnels
JPS5424435A
(en )
1979-02-23
Method of continuing elevated track
JPS5424438A
(en )
1979-02-23
Method of continuing elevated track
JPS5424437A
(en )
1979-02-23
Method of continuing elevated track
JPS5270973A
(en )
1977-06-13
Method of making rail of singleerail conveyor
JPS5483232A
(en )
1979-07-03
Method of repairing track link
JPS5677404A
(en )
1981-06-25
Method of laying construction of track railway
JPS55136354A
(en )
1980-10-24
Method of sealinggup for construction
BG32192A1
(en )
1982-06-15
Method for obtaining of glucoseisomerase