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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03504781
Kind Code:
A
Application Number:
JP50657089A
Publication Date:
October 17, 1991
Filing Date:
May 24, 1989
Export Citation:
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International Classes:
F21H1/02; F21H3/00; (IPC1-7): F21H1/02; F21H3/00