Copper bush convenient to lubricate

The utility model discloses a copper bush convenient to lubricate, which comprises a copper bush body, the upper surface of the copper bush body is fixedly connected with a circular ring part, the two sides of the copper bush body are fixedly connected with fixed seats, the fixed seats are internall...

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Bibliographische Detailangaben
1. Verfasser: GUO FUJUN
Format: Patent
Sprache:chi ; eng
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