Document Type and Number:
Japanese Patent JPS5488922
Kind Code:
U
Application Number:
JP16486577U
Publication Date:
June 23, 1979
Filing Date:
December 07, 1977
Export Citation:
International Classes:
F16L37/08; F16L37/00; (IPC1-7): F16L37/00
Domestic Patent References:
| JPS4419737Y1 | 1969-08-23 |
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