Document Type and Number:
Japanese Patent JPS4843396
Kind Code:
U
Application Number:
JP8707771U
Publication Date:
June 05, 1973
Filing Date:
September 23, 1971
Export Citation:
International Classes:
E03D5/016; B63B29/16; B63J4/00; (IPC1-7): E03D5/016; B63B29/16