Document Type and Number:
Japanese Patent JPS48111140
Kind Code:
U
More Like This:
Application Number:
JP3502972U
Publication Date:
December 20, 1973
Filing Date:
March 27, 1972
Export Citation:
International Classes:
G03D3/04; B06B1/00; (IPC1-7): G03D3/04; B06B1/00