Document Type and Number:
Japanese Patent JPS5016705
Kind Code:
A
Application Number:
JP2295574A
Publication Date:
February 21, 1975
Filing Date:
February 28, 1974
Export Citation:
International Classes:
B28B1/38; B22C1/16; B32B18/00; C04B41/52; (IPC1-7): B22C1/16