Document Type and Number:
Japanese Patent JPS5275471
Kind Code:
U
Application Number:
JP16222075U
Publication Date:
June 06, 1977
Filing Date:
December 04, 1975
Export Citation:
International Classes:
G01C22/00; G08B3/10; G08B21/00; (IPC1-7): G01C22/00; G08B3/10
Domestic Patent References:
| JP50070954B | ||||
| JPS4922226A | 1974-02-27 |