Document Type and Number:
Japanese Patent JPS5372216
Kind Code:
U
Application Number:
JP15531876U
Publication Date:
June 16, 1978
Filing Date:
November 19, 1976
Export Citation:
International Classes:
F16L11/127; F16L11/12; F16L35/00; G01F1/58; (IPC1-7): F16L11/12
Domestic Patent References:
| JPS4944928U | 1974-04-19 | |||
| JPS4912647U | 1974-02-02 |