Key made of magnetic material
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United States of America Patent
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-
Jun 7, 1988
Issued Date -
N/A
app pub date -
Mar 25, 1983
filing date -
Feb 18, 1978
priority date (Note) -
Expired
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Abstract
A key comprising an elongated body made of magnetic material and having a handle at one end. A pair of like magnetic poles are located in the elongated body at positions which are spaced apart angularly around the longitudinal axis of the body but are not spaced apart along the axis.
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