Document Type and Number:
Japanese Patent JPS55174986
Kind Code:
U
Application Number:
JP7479179U
Publication Date:
December 15, 1980
Filing Date:
June 01, 1979
Export Citation:
International Classes:
B08B3/04; B08B3/00; F28G9/00; (IPC1-7): B08B3/00; F28G9/00