| 摘要 |
The invention comprises a retrieving instrument featuring a snap-lock handle connected to one end of a flexible cable, the other end of which has a releasible gripping head which may be mechanically or electromagnetically operated, there being an actuation control mechanism which locks the jaw in either the gripping mode or the release mode until the control is changed. A viewing system utilizing newly developed fiber optic techniques is preferably incorporated into the structure.
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