Document Type and Number:
Japanese Patent JPS5237118
Kind Code:
Y2
Application Number:
JP6703372U
Publication Date:
August 23, 1977
Filing Date:
June 07, 1972
Export Citation:
International Classes:
B63B9/00; B63B25/08; B63B29/00; B63B59/00; (IPC1-7): B63B59/00