No pump formula power device

The utility model provides a no pump formula power device, the power distribution box comprises a box body, the delivery port, the moulding -die piece is released to one -way ration, water incoming one -way valve, box one side is equipped with the delivery port, box top intercommunication has one -w...

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Bibliographische Detailangaben
1. Verfasser: XU SHAOHE
Format: Patent
Sprache:chi ; eng
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