Title:
【発明の名称】改質管および改質装置
Document Type and Number:
Japanese Patent JP2730283
Kind Code:
B2
Inventors:
Yasumasa Idei
Application Number:
JP23910790A
Publication Date:
March 25, 1998
Filing Date:
September 11, 1990
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
C01B3/38; B01J8/24; (IPC1-7): C01B3/38; B01J8/24
Domestic Patent References:
| JP1290502A | ||||
| JP61275103A | ||||
| JP61161133A |