Title:
【考案の名称】鉛直指示装置
Document Type and Number:
Japanese Patent JPS59179317
Kind Code:
U
Inventors:
Sutoharu Hado
Application Number:
JP7350283U
Publication Date:
November 30, 1984
Filing Date:
May 16, 1983
Export Citation:
International Classes:
G01C9/12; G01C15/10; (IPC1-7): G01C9/12
Domestic Patent References:
| JPS5435763A | 1979-03-16 | |||
| JPS5832315B2 | 1983-07-12 |