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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS5297953
Kind Code:
Application Number:
Publication Date:
July 23, 1977
Filing Date:
January 21, 1976
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International Classes:
F27D15/00; B01J2/00; B01J2/02; C04B5/02; C21B3/06; C21B3/08; C21C5/00; C22B7/04; F27D15/02; (IPC1-7): C21B3/06; C04B31/10; C22B7/04

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