Title:
【発明の名称】換気自動制御装置
Document Type and Number:
Japanese Patent JP2967676
Kind Code:
B2
Inventors:
TAMURA MASAYOSHI
Application Number:
JP21079793A
Publication Date:
October 25, 1999
Filing Date:
August 26, 1993
Export Citation:
Assignee:
MEIDENSHA KK
International Classes:
E21F1/00; (IPC1-7): E21F1/00
Attorney, Agent or Firm:
Fujiya Shiga (1 person outside)