Document Type and Number:
Japanese Patent JPS4724657
Kind Code:
Y1
Application Number:
JP2485768U
Publication Date:
August 03, 1972
Filing Date:
March 28, 1968
Export Citation:
International Classes:
(IPC1-7): B21C49/00; B21C47/26; B65H25/22; B65H75/36; B65H77/00