Document Type and Number:
Japanese Patent JPS55135883
Kind Code:
U
Application Number:
JP1183580U
Publication Date:
September 27, 1980
Filing Date:
February 01, 1980
Export Citation:
International Classes:
F16L29/00; F16L37/00; F16L37/28; F16L37/34; F16L37/35; F16L37/46; (IPC1-7): F16L29/00; F16L37/28