Title:
重力平衡式コンパス装置
Document Type and Number:
Japanese Patent JP3119132
Kind Code:
U
Inventors:
Cai Ruian
Application Number:
JP2005010012U
Publication Date:
February 16, 2006
Filing Date:
November 28, 2005
Export Citation:
Assignee:
Cai Ruian
International Classes:
G01C17/04
Attorney, Agent or Firm:
Susumu Ito
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