Document Type and Number:
Japanese Patent JPS4727306
Kind Code:
U
Application Number:
JP2787271U
Publication Date:
November 28, 1972
Filing Date:
April 14, 1971
Export Citation:
International Classes:
B28D1/14; B23D21/14; E02D9/00; (IPC1-7): E02D9/00; B23D21/14