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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5420261
Kind Code:
Y2
Application Number:
JP16048675U
Publication Date:
July 23, 1979
Filing Date:
November 27, 1975
Export Citation:
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International Classes:
E04B2/90; E04B2/56; E04B2/88; (IPC1-7): E04B2/56