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Direct mechanical or chemical fixing of sleepers onto underground
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Industry
CPC
E01B2204/04
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E01
Road, railway construction
E01B
PERMANENT WAY PERMANENT-WAY TOOLS MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B2204/00
Characteristics of the track and its foundations
Current Industry
E01B2204/04
Direct mechanical or chemical fixing of sleepers onto underground
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Patents Grants
last 30 patents
Information
Patent Grant
Resilient coat for tie of direct-connection type track
Patent number
4,652,495
Issue date
Mar 24, 1987
Japanese National Railways
Yoshihiko Sato
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
3565336
Patent number
3,565,336
Issue date
Feb 23, 1971
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES