Document Type and Number:
Japanese Patent JPS4930481
Kind Code:
B1
Application Number:
JP7958268A
Publication Date:
August 13, 1974
Filing Date:
October 31, 1968
Export Citation:
International Classes:
B28B1/02; B28B5/06; B28B11/00; B28B11/18; B28B13/02; B28B17/02