Document Type and Number:
Japanese Patent JPS5251788
Kind Code:
Y2
Application Number:
JP13486172U
Publication Date:
November 25, 1977
Filing Date:
November 22, 1972
Export Citation:
International Classes:
G02B7/02; B65D1/24; B65D25/10; (IPC1-7): G02B7/02; B65D1/24; B65D25/10