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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0218654
Kind Code:
U
Application Number:
JP9591588U
Publication Date:
February 07, 1990
Filing Date:
July 20, 1988
Export Citation:
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International Classes:
F02N11/08; F02D45/00; (IPC1-7): F02N11/08; F02D45/00