Document Type and Number:
Japanese Patent JPS5242926
Kind Code:
Y2
Application Number:
JP10313574U
Publication Date:
September 29, 1977
Filing Date:
August 27, 1974
Export Citation:
International Classes:
G01B3/00; B21D5/02; B21D5/04; B21D11/22; B21D43/00; B21D43/26; (IPC1-7): B21D11/22; B21D5/02; B21D43/00