Multi-stage combined spring

The invention is suitable for the technical field of springs, and provides a multi-stage combined spring which comprises an inner sleeve, a supporting disc and an outer sleeve, a buffer cavity is formed between the inner sleeve and the outer sleeve, a fixed end cover is fixed to one end of the outer...

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Bibliographische Detailangaben
1. Verfasser: HAO XIANGXIN
Format: Patent
Sprache:chi ; eng
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