Title:
【発明の名称】地熱井戸用鋼管の防食方法
Document Type and Number:
Japanese Patent JP2681213
Kind Code:
B2
Inventors:
Akio Sumio
Hiroto Kazuo
Yamauchi Mao
Tatsuya Koizumi
Hiroto Kazuo
Yamauchi Mao
Tatsuya Koizumi
Application Number:
JP7948289A
Publication Date:
November 26, 1997
Filing Date:
March 29, 1989
Export Citation:
Assignee:
Sanshin Chemical Industry Co., Ltd.
Kyushu Electric Power Co., Inc.
Kyushu Electric Power Co., Inc.
International Classes:
F03G4/00; C07C331/04; C23F11/16; (IPC1-7): C23F11/16; C07C331/04; F03G4/00
Domestic Patent References:
| JP5192743A | ||||
| JP5670190A | ||||
| JP56143572U | ||||
| JP637709B2 |