Document Type and Number:
Japanese Patent JPS5021987
Kind Code:
U
Application Number:
JP7188573U
Publication Date:
March 12, 1975
Filing Date:
June 18, 1973
Export Citation:
International Classes:
A61B1/00; G02B6/04; G02B23/00; G02B23/26; G02B27/00; (IPC1-7): A61B1/00; G02B5/16; G02B23/00; G02B27/00