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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5246264
Kind Code:
B2
Application Number:
JP4440974A
Publication Date:
November 22, 1977
Filing Date:
April 22, 1974
Export Citation:
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International Classes:
B01J2/22; B02C18/06; B26D1/24; B26D1/38; B26D9/00; B29B9/00; B29B9/04