ALL-AUTOMATIC WATER-SAVING FLUSHING DEVICE

The utility model relates to a water-saving cistern, a spring (1) which is made of corrosion prevention materials or is treated in a corrosion prevention mode is added in the cistern in the prior art; the spring (1) is arranged on a ball valve suspender (4) between a rubber ball valve (5) and a ball...

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1. Verfasser: LU YINCHAO
Format: Patent
Sprache:eng
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