Document Type and Number:
Japanese Patent JPS6239316
Kind Code:
B2
Inventors:
HAYASHI YASUSHIGE
KUMAGAI MASAHISA
TSUKAGISHI MASANOBU
KUMAGAI MASAHISA
TSUKAGISHI MASANOBU
Application Number:
JP18551380A
Publication Date:
August 21, 1987
Filing Date:
December 27, 1980
Export Citation:
Assignee:
TOSHIBA CERAMICS CO
International Classes:
F16L9/14; F16L57/00