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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02150499
Kind Code:
U
Application Number:
JP5838989U
Publication Date:
December 26, 1990
Filing Date:
May 19, 1989
Export Citation:
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International Classes:
F17C5/02; F17C5/06; (IPC1-7): F17C5/06; F17C5/02