Document Type and Number:
Japanese Patent JPS5456432
Kind Code:
U
Application Number:
JP12574777U
Publication Date:
April 19, 1979
Filing Date:
September 20, 1977
Export Citation:
International Classes:
E04G21/06; B06B1/02; B06B1/12; B06B1/16; E04G21/08; (IPC1-7): E04G21/08; B06B1/02