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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5447308
Kind Code:
U
Application Number:
JP12089877U
Publication Date:
April 02, 1979
Filing Date:
September 08, 1977
Export Citation:
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International Classes:
H04M1/04; H04M1/11; (IPC1-7): H04M1/11; H04M1/04