Title:
【発明の名称】密封容器の正内圧判別方法
Document Type and Number:
Japanese Patent JP2639725
Kind Code:
B2
Inventors:
MASUDA MASAYUKI
Application Number:
JP3803389A
Publication Date:
August 13, 1997
Filing Date:
February 16, 1989
Export Citation:
Assignee:
DAIWA SEIKAN KK
International Classes:
G01L7/00; G01L11/00; G01M99/00; (IPC1-7): G01L11/00
Domestic Patent References:
| JP59157537A | ||||
| JP62162937A | ||||
| JP217640U |
Attorney, Agent or Firm:
Masamitsu Akizawa (1 person outside)