Document Type and Number:
Japanese Patent JPS5353663
Kind Code:
U
Application Number:
JP13647776U
Publication Date:
May 09, 1978
Filing Date:
October 08, 1976
Export Citation:
International Classes:
B02C18/08; B02C18/06; B02C18/12; B02C18/16; B02C18/18; (IPC1-7): B02C18/12