Document Type and Number:
Japanese Patent JPS52151735
Kind Code:
U
Application Number:
JP6009776U
Publication Date:
November 17, 1977
Filing Date:
May 14, 1976
Export Citation:
International Classes:
G03D5/02; G03D3/00; (IPC1-7): G03D3/00
Domestic Patent References:
| JP48082923B | ||||
| JP50043750B | ||||
| JPS4734857U | 1972-12-18 |