Document Type and Number:
Japanese Patent JPH041702
Kind Code:
U
Application Number:
JP4161590U
Publication Date:
January 08, 1992
Filing Date:
April 20, 1990
Export Citation:
International Classes:
F15B9/09; (IPC1-7): F15B9/09
Domestic Patent References:
| JPS53124465A | 1978-10-30 |
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