EP-4656917-A4 - SEALING STRUCTURE, STORAGE TANK BREATHER VALVE, AND STORAGE TANK
EP4656917A4EP 4656917 A4EP4656917 A4EP 4656917A4EP-4656917-A4
Inventors
- CHENG LONGJUN
- LI RONGBIN
- DANG WENYI
- TAO BIN
- LIU JUAN
- WANG SHIQIANG
- LI LIANGLIANG
- SUN MINGYUAN
- ZHANG YUPING
- ZHANG RUIYU
Assignees
- CHINA PETROLEUM & CHEM CORP
- SINOPEC RES INSTITUTE OF SAFETY ENGINEERING CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20240311
- Priority Date
- 20230410