Document Type and Number:
Japanese Patent JPS57108055
Kind Code:
U
Application Number:
JP18423680U
Publication Date:
July 03, 1982
Filing Date:
December 23, 1980
Export Citation:
International Classes:
F16L29/00; F16L21/02; F25B41/00; (IPC1-7): F25B41/00; F16L21/02