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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5231540
Kind Code:
Y2
Application Number:
JP1152174U
Publication Date:
July 19, 1977
Filing Date:
January 26, 1974
Export Citation:
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International Classes:
E04B7/02; E04B7/06; (IPC1-7): E04B7/02



 
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