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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6446484
Kind Code:
U
Application Number:
JP14040787U
Publication Date:
March 22, 1989
Filing Date:
September 14, 1987
Export Citation:
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International Classes:
F04B39/00; F04B39/16; F04B45/04; (IPC1-7): F04B39/16; F04B39/00; F04B45/04
Domestic Patent References:
JPS5043363U1975-05-01