Document Type and Number:
Japanese Patent JPH0256996
Kind Code:
U
Application Number:
JP11321189U
Publication Date:
April 24, 1990
Filing Date:
September 27, 1989
Export Citation:
International Classes:
F16L39/04; F16L37/00; (IPC1-7): F16L39/04
Domestic Patent References:
JPS501472A | 1975-01-09 | |||
JP54113951B | ||||
JP59105046B |
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