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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0292079
Kind Code:
U
Application Number:
JP15989U
Publication Date:
July 20, 1990
Filing Date:
January 06, 1989
Export Citation:
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International Classes:
F04B45/047; F04B45/04; (IPC1-7): F04B45/04
Domestic Patent References:
JPS55125379A1980-09-27
JPS5639881B21981-09-17