Title:
【考案の名称】真空開閉器の真空漏れ表示装置
Document Type and Number:
Japanese Patent JPS58142834
Kind Code:
U
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Inventors:
Nishisako Shizutaka
Hiraki Harumi
Hiraki Harumi
Application Number:
JP3931482U
Publication Date:
September 26, 1983
Filing Date:
March 19, 1982
Export Citation:
International Classes:
G01L21/00; H01H33/66; (IPC1-7): H01H33/66; G01L21/00
Domestic Patent References:
| JPS53946B2 | 1978-01-13 |