Document Type and Number:
Japanese Patent JPS5269931
Kind Code:
U
Application Number:
JP15751775U
Publication Date:
May 24, 1977
Filing Date:
November 20, 1975
Export Citation:
International Classes:
G03B31/00; G03B23/02; (IPC1-7): G03B31/00; G03B23/02
Previous Patent: PRODUCTION METHOD OF GYPSUM PRODUCT
Next Patent: RECYCLE TYPE PEELING SHEET AND MANUFACTURE THEREFOR
Next Patent: RECYCLE TYPE PEELING SHEET AND MANUFACTURE THEREFOR