Document Type and Number:
Japanese Patent JPS5488943
Kind Code:
U
Application Number:
JP16470477U
Publication Date:
June 23, 1979
Filing Date:
December 08, 1977
Export Citation:
International Classes:
F16L21/02; F16L19/02; F23J13/04; (IPC1-7): F23J13/04; F16L19/02
Domestic Patent References:
| JPS5019716U | 1975-03-06 | |||
| JPS52124216A | 1977-10-19 |
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