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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57168995
Kind Code:
U
Application Number:
JP5454581U
Publication Date:
October 25, 1982
Filing Date:
April 17, 1981
Export Citation:
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International Classes:
H02P1/34; H01C10/46; H01H19/62; (IPC1-7): H02P1/34; H01C10/46; H01H21/82