Valve for safety valve of tank for storing and carrying oil or chemical substance, and apparatus for preventing valve seat from being freezed and/or ruptured
A Standard patent application filed on 16 October 2003 credited to Joo, Kwang Il
Details
Application number :
2003269560
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Valve for safety valve of tank for storing and carrying oil or chemical substance, and apparatus for preventing valve seat from being freezed and/or ruptured