Title:
【考案の名称】磁界触発式ドアブザー装置
Document Type and Number:
Japanese Patent JP3088637
Kind Code:
U
Inventors:
Yang Ji Feng
Application Number:
JP2002001395U
Publication Date:
September 20, 2002
Filing Date:
March 15, 2002
Export Citation:
Assignee:
Yang Ji Feng
International Classes:
(IPC1-7): G10K9/13
Attorney, Agent or Firm:
Masaki Hattori