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Patent Searching and Data


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:
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Assignee:
Canon Inc
International Classes:
G01L21/20
Domestic Patent References:
JP2518814B2
JP1110232A
JP9096552A
JP9269249A
JP8292207A
Attorney, Agent or Firm:
Kazuo Chikajima
Yoshiro Sakamoto