Document Type and Number:
Japanese Patent JPS5029568
Kind Code:
Y2
Application Number:
JP3520571U
Publication Date:
August 30, 1975
Filing Date:
May 01, 1971
Export Citation:
International Classes:
E02B3/14; A63B9/00; A63B17/00; (IPC1-7): A63B9/00; A63B17/00