Document Type and Number:
Japanese Patent JPH0278782
Kind Code:
U
Application Number:
JP15806788U
Publication Date:
June 18, 1990
Filing Date:
December 06, 1988
Export Citation:
International Classes:
F04B45/04; F04B45/047; (IPC1-7): F04B45/04
Domestic Patent References:
| JPS476405B1 | ||||
| JPS60105936A | 1985-06-11 |
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