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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56120513
Kind Code:
U
Application Number:
JP1779580U
Publication Date:
September 14, 1981
Filing Date:
February 15, 1980
Export Citation:
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International Classes:
H05K11/00; G02B23/18; H04B1/06; H04B1/08; (IPC1-7): G02B23/18; H04B1/06; H05K11/00