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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57112082
Kind Code:
U
Application Number:
JP18809280U
Publication Date:
July 10, 1982
Filing Date:
December 29, 1980
Export Citation:
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International Classes:
F04B39/02; F04B25/04; F04B27/08; (IPC1-7): F04B25/04; F04B39/02
Domestic Patent References:
JPS5272909A
JPS54162218A