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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0338578
Kind Code:
U
Application Number:
JP9294589U
Publication Date:
April 15, 1991
Filing Date:
August 09, 1989
Export Citation:
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International Classes:
F28D17/04; F28D19/04; (IPC1-7): F28D17/04; F28D19/04