Document Type and Number:
Japanese Patent JPS5284191
Kind Code:
U
Application Number:
JP17222275U
Publication Date:
June 23, 1977
Filing Date:
December 20, 1975
Export Citation:
International Classes:
E02B15/00; B63B35/32; C02F1/40; (IPC1-7): B63B35/32; E02B15/00