Document Type and Number:
Japanese Patent JPS5353977
Kind Code:
U
Application Number:
JP13618376U
Publication Date:
May 09, 1978
Filing Date:
October 09, 1976
Export Citation:
International Classes:
G03B42/04; B65H1/26; G03C3/00; G03D13/00; (IPC1-7): G03B41/18; G03C3/00
Domestic Patent References:
| JP52107577B |