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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5233703
Kind Code:
Y2
Application Number:
JP12242071U
Publication Date:
August 01, 1977
Filing Date:
December 27, 1971
Export Citation:
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International Classes:
E04F13/08; E04B2/58; (IPC1-7): E04F13/08



 
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