Carrying pump capable of replacing mouth rings

The utility model discloses a carrying pump capable of replacing mouth rings. The carrying pump comprises a carrying pump body for extracting objects, wherein the carrying pump body comprises an inlet and an outlet, wherein the mouth rings are arranged at the inlet and the outlet; and the whole mout...

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Bibliographische Detailangaben
1. Verfasser: HUANG YIZENG
Format: Patent
Sprache:chi ; eng
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