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Document Type and Number:
Japanese Patent JPS5420259
Kind Code:
Y2
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Application Number:
JP17989575U
Publication Date:
July 23, 1979
Filing Date:
December 31, 1975
Export Citation:
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International Classes:
E04B1/94; E04C2/30; (IPC1-7): E04B1/94; E04C2/30



 
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