Document Type and Number:
Japanese Patent JPS5070922
Kind Code:
U
Application Number:
JP12047773U
Publication Date:
June 23, 1975
Filing Date:
October 17, 1973
Export Citation:
International Classes:
G03G15/20; F26B13/08; F26B13/18; G03D15/02; (IPC1-7): G03D15/02; G03G15/12
Domestic Patent References:
JPS4515962Y1 | 1970-07-03 | |||
JP38013346A | ||||
JPS4416309Y1 | 1969-07-14 |