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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS57501739
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Publication Date:
September 24, 1982
Filing Date:
October 13, 1981
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International Classes:
F02B71/04; F03G6/06; F03G7/00; H02K7/18; F02B1/04; (IPC1-7): F02B71/04; F03G7/00; F03G7/02

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