Document Type and Number:
Japanese Patent JPS54141013
Kind Code:
U
Application Number:
JP3836878U
Publication Date:
October 01, 1979
Filing Date:
March 24, 1978
Export Citation:
International Classes:
F16L21/08; F16L23/02; F16L23/024; F16L23/026; F16L23/028; (IPC1-7): F16L21/08; F16L23/02
Domestic Patent References:
| JPS4810484U | 1973-02-05 |