Document Type and Number:
Japanese Patent JPS4995993
Kind Code:
U
Application Number:
JP14149472U
Publication Date:
August 19, 1974
Filing Date:
December 08, 1972
Export Citation:
International Classes:
H01J49/04; G01N5/00; G01N5/04; G01N25/00; G01N25/20; G01N27/62; (IPC1-7): G01N25/00; G01N5/00; G01N27/62
Domestic Patent References:
| JP40019000A | ||||
| JP33000689A |