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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5216354
Kind Code:
B2
Application Number:
JP3512172A
Publication Date:
May 09, 1977
Filing Date:
April 10, 1972
Export Citation:
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International Classes:
C03C23/00; A47L13/40; B08B6/00; B08B11/04; H05F3/04