Polygonal ratchet wrench with an illuminating device

A polygonal ratchet wrench with an illuminating device including a hollow housing and a matching body is characterized on that: the hollow housing has interior positive leads, negative leads and batteries for forming a complete power supply unit, and lamps for illuminating the working area as well a...

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Bibliographische Detailangaben
1. Verfasser: LIN WANANG
Format: Patent
Sprache:eng
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