Document Type and Number:
Japanese Patent JPS4992633
Kind Code:
U
Application Number:
JP13615272U
Publication Date:
August 10, 1974
Filing Date:
November 28, 1972
Export Citation:
International Classes:
E02F7/02; E02F3/04; E02F5/00; E02F7/04; E21D9/10; (IPC1-7): E02F3/04; E21D9/10