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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5351055
Kind Code:
Y2
Application Number:
JP8271874U
Publication Date:
December 07, 1978
Filing Date:
July 15, 1974
Export Citation:
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International Classes:
E04F19/08; E04B9/18; F21V21/02; F21V21/04; (IPC1-7): E04F19/08; E04B5/55; E04B5/58; F21V21/02