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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4954418
Kind Code:
A
Application Number:
JP9917672A
Publication Date:
May 27, 1974
Filing Date:
September 27, 1972
Export Citation:
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International Classes:
C04B37/00; B28B1/30; B32B18/00; H01L23/08; H05K1/02