Improvement structure of tuber pipe

The utility model provides an improvement structure of tuber pipe, is equipped with the body of bending, and the both ends of body are equipped with opening's trompil, and the fold section into continuous fold is established to the inboard of body, and each fold of this fold section is mutual s...

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Bibliographische Detailangaben
1. Verfasser: DONG YOUWEN
Format: Patent
Sprache:chi ; eng
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