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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5648924
Kind Code:
Application Number:
Publication Date:
November 18, 1981
Filing Date:
August 01, 1977
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International Classes:
C10M169/04; C10G53/08; H01B3/20; H01F27/12; H01G4/22; H01G13/04; C10N20/00; C10N30/00; C10N40/16

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