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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5215203
Kind Code:
U
Application Number:
JP10087075U
Publication Date:
February 03, 1977
Filing Date:
July 22, 1975
Export Citation:
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International Classes:
G11B9/06; H04R11/08; H04R17/00; (IPC1-7): H04R11/08; H01L41/10; H04R17/00