Document Type and Number:
Japanese Patent JPS53148322
Kind Code:
U
Application Number:
JP5365677U
Publication Date:
November 22, 1978
Filing Date:
April 27, 1977
Export Citation:
International Classes:
F16L23/16; F16B7/02; F16B7/18; F16L23/02; (IPC1-7): F16L23/02; F16B7/02; F16B7/18
Domestic Patent References:
| JP50143109B | ||||
| JPS3913265Y1 |