Title:
【発明の名称】電縫管内部の滞留水逆流防止方法
Document Type and Number:
Japanese Patent JP2540187
Kind Code:
B2
Inventors:
TSUNODA TADASHI
TOYODA TETSUJI
FUKUI KAZUO
AIGA TAKEHIDE
TOYODA TETSUJI
FUKUI KAZUO
AIGA TAKEHIDE
Application Number:
JP9635288A
Publication Date:
October 02, 1996
Filing Date:
April 19, 1988
Export Citation:
Assignee:
SHINNIPPON SEITETSU KK
International Classes:
B23K13/02; (IPC1-7): B23K13/02
Attorney, Agent or Firm:
Honda Kodaira (2 outside)