Document Type and Number:
Japanese Patent JPS5631253
Kind Code:
Y2
Application Number:
JP7800777U
Publication Date:
July 24, 1981
Filing Date:
June 14, 1977
Export Citation:
International Classes:
A63B5/00; A63B5/16; A63B23/04; (IPC1-7): A63B23/04; A63B5/16