Title:
【考案の名称】ペニング真空計
Document Type and Number:
Japanese Patent JPS60104747
Kind Code:
U
Inventors:
Kenji Ohara
Application Number:
JP19762183U
Publication Date:
July 17, 1985
Filing Date:
December 22, 1983
Export Citation:
International Classes:
G01L21/30; (IPC1-7): G01L21/30
Domestic Patent References:
| JPS5015514U | 1975-02-19 |