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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
hydraulic support pushing frame composite external loading test device | 2 | 2015 |
high inclination-angle termination point hydraulic support | 2 | 2009 |
hydraulic bracket test-bed pin shaft installation monitoring device | 2 | 2010 |
manufacturing method for hydraulic support pin roll seat | 2 | 2014 |
two-stage side guard transition bracket for large height mining face | 2 | 2010 |
method for arranging coal mine large-mining-height working surface equipment | 2 | 2010 |
selection method of hydraulic support high-water-content hydraulic liquid based on liqui… 🛈 | 2 | 2014 |
coal face gob-side entry retaining supporting method | 2 | 2014 |
operation panel of hydraulic support frame controller | 2 | 2009 |
human-computer interface control panel of hydraulic support frame controller | 2 | 2009 |