Document Type and Number:
Japanese Patent JPS57185969
Kind Code:
U
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Application Number:
JP7439381U
Publication Date:
November 25, 1982
Filing Date:
May 21, 1981
Export Citation:
International Classes:
G09F9/30; G01R5/22; G01R19/165; G01R31/00; G08B5/00; G08B21/00; G09F9/00; G09F9/37; H02H3/24; (IPC1-7): G01R5/22; G09F9/00; H02H3/24