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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS538644
Kind Code:
B1
Application Number:
JP9189571A
Publication Date:
March 30, 1978
Filing Date:
November 18, 1971
Export Citation:
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International Classes:
C22C5/00; C22C9/00; C22C11/00; C22C13/00; C22C14/00; C22C16/00; C22C18/00; C22C19/00; C22C21/00; C22C23/00; (IPC1-7): C22C9/00; C22C5/00; C22C11/00; C22C13/00; C22C14/00; C22C16/00; C22C18/00; C22C19/00; C22C21/00; C22C23/00