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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4311581
Kind Code:
Y1
Application Number:
JP9892864U
Publication Date:
May 20, 1968
Filing Date:
December 22, 1964
Export Citation:
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International Classes:
H01K1/16; H01K1/24; H01K1/46; (IPC1-7): H01K1/24; H01K1/16; H01K1/46