JPS5215955A
(en )
1977-02-05
Multiivvpulley and method of producing same
GB1501606A
(en )
1978-02-22
Polyimides and method of producing them
JPS5225303A
(en )
1977-02-25
Sleeper for railway
HU171328B
(hu )
1977-12-28
Sposob i ustanovka dlja smeny putej po uchastkam
JPS537553A
(en )
1978-01-24
Method of fabricating crossing track components and said crossing track components
JPS51119305A
(en )
1976-10-19
Bricket and method of producing same
JPS54113110A
(en )
1979-09-04
Method of reducing set error of railway track and its device
JPS5280944A
(en )
1977-07-07
System and method for classifiring pattern
ZA764708B
(en )
1977-07-27
Apparatus and method of manufacture of trains of slide fastening elements
GB1554160A
(en )
1979-10-17
Railway track construction and pad therefor
GB1545774A
(en )
1979-05-16
Flexure-pivot assemblies and methods of making them
JPS5269112A
(en )
1977-06-08
Highhspeed track
HK31681A
(en )
1981-07-17
Apparatus and method of manufacture of trains of slide fastening elements
CS184098B1
(en )
1978-07-31
System of elements for producing of crossing and transitions over track lines
CA1026860A
(en )
1978-02-21
Railroad track alarm
ZA76263B
(en )
1977-01-26
Method for the coding and decoding of analog signals
HU179797B
(en )
1982-12-28
Railway grade crossing and method for making same
JPS52589A
(en )
1977-01-05
Seamless can and method of producing same
JPS5424436A
(en )
1979-02-23
Method of continuing elevated track
JPS5332504A
(en )
1978-03-27
Method of fixing railroad tie
JPS5263166A
(en )
1977-05-25
Method of producing nonncollapsible slag
JPS52124608A
(en )
1977-10-19
Method of controlling train
JPS5293011A
(en )
1977-08-05
Method of laying antiivibration slab track
JPS5347607A
(en )
1978-04-28
Track board* tie bed and method of laying them
JPS5275705A
(en )
1977-06-25
Railroad crossing structure