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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6439819
Kind Code:
U
Application Number:
JP13378287U
Publication Date:
March 09, 1989
Filing Date:
September 01, 1987
Export Citation:
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International Classes:
(IPC1-7): B01D53/36
Domestic Patent References:
JPS61111128A1986-05-29
JPS57171425A1982-10-22
JP60165080B
JPS6231914B21987-07-10