E- 인증 / 나라표준 / 유공압 용어 / 유공압 도면

 1. e-나라 표준 인증:https://standard.go.kr/

KS B 0120 유공압 용어 대응 국제표준 iso 5598

KS B 0054 유공압 도면 기호 대응 국제표준 ISO f219-1

2. Hydraulics & pneumatics: http://www.hydraulicpneumatics..com/

3. NFPA: https://nfpa.com/

4. YUKEN: http://www.yuken.co.kr/

5. FESTO: https://www.festo.co.kr

6. BOSCH REXTOTH: https://www.boschrexroth.com/ko/kr/

7. PARKER:  http://www.parker.com/

8. HERION: http://herion-systemtechnik.de/

9. VIS HYDRAULICS: http://www.vishydraulics.com/

10. SUN Hydraulics: www.sunhydraulics.com

11. winner Hydraulic Corp: https://www.winnerhydraulics.com/

12. HAWE Hydraulik: https://www.hawe.com/ko-kr/company/locations/hawe-in-korea/

13. MOOG: http://www.moog.com

14. 쉘 텔라스: https://www.shell.co.kr/ko