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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS6237892
Kind Code:
Application Number:
Publication Date:
September 28, 1987
Filing Date:
May 14, 1981
Export Citation:
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International Classes:
F24S90/00; E04F15/18; F24D11/00; F24F3/00; F24F5/00; F28D17/02; F28D20/00; (IPC1-7): E04F15/18; F24D11/00; F24J2/42