Document Type and Number:
Japanese Patent JPS4931956
Kind Code:
U
Application Number:
JP7392072U
Publication Date:
March 19, 1974
Filing Date:
June 22, 1972
Export Citation:
International Classes:
F16B43/00; B21D28/00; B21D31/00; G09F3/00; G09F7/00; (IPC1-7): B21D31/00; F16B43/00; G09F7/00