Title:
【発明の名称】埋設導管の補修方法
Document Type and Number:
Japanese Patent JP2802351
Kind Code:
B2
Inventors:
Masashi Nishino
Application Number:
JP19937190A
Publication Date:
September 24, 1998
Filing Date:
July 26, 1990
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
E03F7/00; F16L55/16; (IPC1-7): F16L55/16
Attorney, Agent or Firm:
Shuichiro Kitamura (1 person outside)