Refine My Results

Creation Date 

1. Before 1978  (15,425)
2. 1978 To 1980  (21,996)
3. 1981 To 1983  (23,023)
4. 1984 To 1987  (35,013)
5. After 1987  (38,421)
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New Records 

1. New From Last 3 Month  (1,325)
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Subject 

1. Fixed Constructions  (112,150)
2. Construction Of Roads, Railways, Or Bridges  (111,861)
3. Transporting  (41,387)
4. Performing Operations  (41,387)
5. Machines Or Auxiliary Tools For Construction Or Repair  (39,069)
6. Construction Of, Or Surfaces For, Roads, Sports Grounds, Orthe Like  (39,069)
7. Permanent Way  (26,531)
8. Permanent-Way Tools  (26,531)
9. Machines For Making Railways Of All Kinds  (26,531)
10. Vehicles In General  (24,672)
11. Lighting  (20,740)
12. Weapons  (20,740)
13. Blasting  (20,740)
14. Heating  (20,740)
15. Mechanical Engineering  (20,740)
16. Conjoint Control Of Vehicle Sub-Units Of Different Type Ordifferent Function  (19,771)
17. Control Systems Specially Adapted For Hybrid Vehicles  (19,771)
18. Road Vehicle Drive Control Systems For Purposes Not Related Tothe Control Of A Particular Sub-Unit  (19,771)
19. Construction Of Bridges  (15,809)
20. Assembly Of Bridges  (15,809)
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Language 

1. English  (108,254)
2. German  (16,868)
3. French  (11,780)
4. Italian  (3,301)
5. Russian  (2,903)
6. Spanish  (2,544)
7. Swedish  (2,331)
8. Finnish  (1,660)
9. Norwegian  (1,267)
10. Dutch  (1,239)
11. Portuguese  (1,148)
12. Danish  (1,063)
13. Korean  (598)
14. Romanian  (227)
15. Polish  (216)
16. Hungarian  (50)
17. Turkish  (41)
18. Japanese  (35)
19. Bulgarian  (35)
20. Chinese  (10)
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