Document Type and Number:
Japanese Patent JPS5126478
Kind Code:
Y2
Application Number:
JP11994271U
Publication Date:
July 05, 1976
Filing Date:
December 18, 1971
Export Citation:
International Classes:
B63B3/54; B63B9/00; B63B9/06; (IPC1-7): B63B9/00; B63B3/54