Document Type and Number:
Japanese Patent JPS4733021
Kind Code:
U
Application Number:
JP3111671U
Publication Date:
December 13, 1972
Filing Date:
April 21, 1971
Export Citation:
International Classes:
F16F15/04; B21J7/00; B21J7/02; B30B15/00; F16F7/00; (IPC1-7): B30B15/00; F16F7/00