Document Type and Number:
Japanese Patent JPS5323700
Kind Code:
Y2
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Application Number:
JP9227073U
Publication Date:
June 19, 1978
Filing Date:
August 04, 1973
Export Citation:
International Classes:
B21B27/00; B21B27/02; B23P9/02; B44B5/00; C23F1/00; (IPC1-7): B21B27/02