Document Type and Number:
Japanese Patent JPS50122230
Kind Code:
U
More Like This:
Application Number:
JP3128674U
Publication Date:
October 06, 1975
Filing Date:
March 20, 1974
Export Citation:
International Classes:
G03B7/26; G03B19/18; G03B21/43; H02P7/288; (IPC1-7): G03B21/43; H02P5/16
Domestic Patent References:
JPS4510499Y1 | 1970-05-14 |