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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56130520
Kind Code:
U
Application Number:
JP2896880U
Publication Date:
October 03, 1981
Filing Date:
March 07, 1980
Export Citation:
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International Classes:
E04B2/90; E04B1/66; E04B2/88; E06B7/26; (IPC1-7): E04B2/88; E04B1/66; E06B7/26



 
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