Document Type and Number:
Japanese Patent JPS52126598
Kind Code:
U
Application Number:
JP3448676U
Publication Date:
September 26, 1977
Filing Date:
March 24, 1976
Export Citation:
International Classes:
B63B21/26; B63B21/32; B63B21/46; (IPC1-7): B63B21/32; B63B21/46