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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS579031
Kind Code:
Y2
Application Number:
JP7426077U
Publication Date:
February 20, 1982
Filing Date:
June 09, 1977
Export Citation:
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International Classes:
B23K20/02; B23K20/00; B23K20/26; F04B9/00; F04B9/14; F04B33/00; (IPC1-7): B23K20/00; F04B9/14