Document Type and Number:
Japanese Patent JPS6342049
Kind Code:
B2
More Like This:
Inventors:
KUNITO MITSUHIRO
Application Number:
JP17551583A
Publication Date:
August 19, 1988
Filing Date:
September 22, 1983
Export Citation:
Assignee:
ASK KENKYUSHO KK
International Classes:
E02D17/13; E02F5/02; E21B6/02
Previous Patent: A compound loop antenna which carried out capacitive coupling
Next Patent: MANUFACTURE OF INFORMATION RECORDING MEDIUM
Next Patent: MANUFACTURE OF INFORMATION RECORDING MEDIUM