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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56103025
Kind Code:
U
Application Number:
JP18224279U
Publication Date:
August 12, 1981
Filing Date:
December 31, 1979
Export Citation:
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International Classes:
C04B7/44; F27D13/00; (IPC1-7): C04B7/44; F27D13/00