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Title:
【発明の名称】入退室管理システム
Document Type and Number:
Japanese Patent JP2573709
Kind Code:
B2
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Inventors:
SUZUKI OSAMU
Application Number:
JP4147990A
Publication Date:
January 22, 1997
Filing Date:
February 22, 1990
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
E05B49/00; G05B15/02; G08B15/00; G08B23/00; G08B25/04; (IPC1-7): E05B49/00
Domestic Patent References:
JP6210384A
JP62296073A
JP54140849A
JP6488794A
Attorney, Agent or Firm:
Soga Doteru (6 people outside)



 
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