Document Type and Number:
Japanese Patent JPS4993945
Kind Code:
U
Application Number:
JP13911172U
Publication Date:
August 14, 1974
Filing Date:
December 05, 1972
Export Citation:
International Classes:
B21B33/00; B21B37/00; H02P3/00; H02P3/08; H02P5/00; H02P7/00; (IPC1-7): B21B33/00; H02P3/00; H02P7/00