BG19104A3 - - Google Patents
Info
- Publication number
- BG19104A3 BG19104A3 BG20576A BG2057672A BG19104A3 BG 19104 A3 BG19104 A3 BG 19104A3 BG 20576 A BG20576 A BG 20576A BG 2057672 A BG2057672 A BG 2057672A BG 19104 A3 BG19104 A3 BG 19104A3
- Authority
- BG
- Bulgaria
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15547871 | 1971-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG19104A3 true BG19104A3 (https=) | 1975-04-30 |
Family
ID=5483892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG20576A BG19104A3 (https=) | 1971-06-01 | 1972-05-26 |
Country Status (4)
| Country | Link |
|---|---|
| BG (1) | BG19104A3 (https=) |
| CS (1) | CS169932B1 (https=) |
| RO (1) | RO61898A (https=) |
| SU (1) | SU564197A1 (https=) |
-
1972
- 1972-05-26 BG BG20576A patent/BG19104A3/xx unknown
- 1972-05-30 CS CS3719A patent/CS169932B1/cs unknown
- 1972-05-31 SU SU7201793607A patent/SU564197A1/ru active
- 1972-06-01 RO RO71103A patent/RO61898A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SU564197A1 (ru) | 1977-07-05 |
| RO61898A (https=) | 1977-06-15 |
| CS169932B1 (https=) | 1976-08-27 |