Title:
立体磁力線観察器
Document Type and Number:
Japanese Patent JP3042992
Kind Code:
U
Inventors:
Chushiro Morikawa
Application Number:
JP343097U
Publication Date:
November 04, 1997
Filing Date:
April 30, 1997
Export Citation:
Assignee:
大和精機株式会社
International Classes:
(IPC1-7): G09B23/18
Attorney, Agent or Firm:
Michizo Isono