Document Type and Number:
Japanese Patent JPS543872
Kind Code:
Y2
Application Number:
JP391872U
Publication Date:
February 22, 1979
Filing Date:
December 31, 1971
Export Citation:
International Classes:
A47B43/00; A47B81/00; (IPC1-7): A47B43/00; A47B81/00
Next Patent: METHOD OF FORMING LENS OR SHEET