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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0117609
Kind Code:
Y2
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Application Number:
JP19329583U
Publication Date:
May 23, 1989
Filing Date:
December 15, 1983
Export Citation:
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International Classes:
F01N13/08; F01N13/10; (IPC1-7): F01N7/10