Yanlong CHEN

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Inventor Addresses

AddressDuration
Jiangsu, CNMar 21, 19 - Nov 24, 20
Xiapu County, CNSep 26, 23 - Sep 26, 23

Technology Profile

Technology Matters
B66F: HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 1
E21D: SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 2

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
D9994882023Shoe upper4
108447172020Mechanical constant-resistance single prop continuous prop lifting pre-tightening device and method0
2020/0240,2692020MECHANICAL CONSTANT-RESISTANCE SINGLE PROP CONTINUOUS PROP LIFTING PRE-TIGHTENING DEVICE AND METHOD0
103856922019Apparatus and method for pre-loading mechanical constant-resistance single prop0
2019/0085,6902019APPARATUS AND METHOD FOR PRE-LOADING MECHANICAL CONSTANT-RESISTANCE SINGLE PROP0

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