EP-4667798-A4 - THREADED JOINT FOR STEEL PIPES
EP4667798A4EP 4667798 A4EP4667798 A4EP 4667798A4EP-4667798-A4
Inventors
- INOSE KEITA
- OGAWA MASAHIRO
- MORISHIGE YUYA
- KURIO SATOSHI
- MARUTA SATOSHI
Assignees
- NIPPON STEEL CORP
- VALLOUREC OIL & GAS FRANCE
Dates
- Publication Date
- 20260506
- Application Date
- 20230912
- Priority Date
- 20230214