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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4814910
Kind Code:
Y1
Application Number:
JP9165867U
Publication Date:
April 24, 1973
Filing Date:
October 31, 1967
Export Citation:
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International Classes:
E04H3/16; (IPC1-7): E04H3/18; E04H3/19



 
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