Title:
真空計
Document Type and Number:
Japanese Patent JP4522143
Kind Code:
B2
Inventors:
Masato Negishi
Application Number:
JP2004149910A
Publication Date:
August 11, 2010
Filing Date:
May 20, 2004
Export Citation:
Assignee:
Canon Inc
International Classes:
G01L21/20
Domestic Patent References:
JP2518814B2 | ||||
JP1110232A | ||||
JP9096552A | ||||
JP9269249A | ||||
JP8292207A |
Attorney, Agent or Firm:
Kazuo Chikajima
Yoshiro Sakamoto
Yoshiro Sakamoto