Document Type and Number:
Japanese Patent JPS4417797
Kind Code:
Y1
Application Number:
JP11045766U
Publication Date:
August 01, 1969
Filing Date:
December 03, 1966
Export Citation:
International Classes:
G02C9/02; E05D1/00; E05D1/02; G02C9/00; (IPC1-7): G02C9/00; E05D1/00