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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5650765
Kind Code:
B2
Application Number:
JP1777076A
Publication Date:
December 01, 1981
Filing Date:
February 20, 1976
Export Citation:
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International Classes:
C21D1/00; C21D1/52; C21D9/00; F27B9/00; F27B9/12; F27D13/00