JPH0297484U - - Google Patents

Info

Publication number

JPH0297484U

JPH0297484U JP1989005980U JP598089U JPH0297484U JP H0297484 U JPH0297484 U JP H0297484U JP 1989005980 U JP1989005980 U JP 1989005980U JP 598089 U JP598089 U JP 598089U JP H0297484 U JPH0297484 U JP H0297484U

Authority

JP

Japan

Prior art keywords

inclination

rotary shaft

detecting

reference position

excavation

Prior art date

1989-01-24

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

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