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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5553211
Kind Code:
Y2
Application Number:
JP6066875U
Publication Date:
December 10, 1980
Filing Date:
May 07, 1975
Export Citation:
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International Classes:
B21D5/04; B27D1/08; B27H1/00; (IPC1-7): B21D5/04