Title:
【考案の名称】管継手
Document Type and Number:
Japanese Patent JPS5815747
Kind Code:
Y2
Inventors:
Nagao Sadao
Application Number:
JP18388880U
Publication Date:
March 30, 1983
Filing Date:
December 19, 1980
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
F16L21/08; (IPC1-7): F16L21/08
Attorney, Agent or Firm:
Kitamura Osamu