Location marking system and marker for use in system

• Main Author: TAKUMI OKADA
• Format: Patent
• Language: English
• Published: 05.02.1997
• Edition: 6
• Subjects: ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DETECTING MASSES OR OBJECTS; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GEOPHYSICS; GLOBES; GRAVITATIONAL MEASUREMENTS; MEASURING; PHYSICS; PLANETARIA; SEALS; TESTING

A device for marking position inc adstral inquiring-into, which can identify easily the position whn its marking member is covered and can not result in fire to damage references. Said device comprises position marking components even fully-burried underground, magnetic identifying body fitted on sa...