Document Type and Number:
Japanese Patent JPS5026511
Kind Code:
B1
Application Number:
JP710368A
Publication Date:
September 01, 1975
Filing Date:
February 06, 1968
Export Citation:
International Classes:
B21D53/10; B21D31/00; B21D53/04; F16K3/00; F16K3/02; (IPC1-7): B21D53/04; B21D31/00; F16K3/00