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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
transverse galling machine and galling treatment method | 3 | 2015 |
airbag type inner framework form traveler and primary tunnel supporting shotcrete constr… 🛈 | 2 | 2015 |
loess strata subway tunnel earth pressure balance shield construction method | 2 | 2012 |
piling beam cofferdam construction method used for bare rock foundation construction in … 🛈 | 2 | 2011 |
multipurpose tunnel operating vehicle | 2 | 2011 |
minus-ring-free originating construction method for constructing sectional shield tunnel | 2 | 2011 |
bentonite grouting method for construction of shield tunnel | 2 | 2011 |
control system for integrated synchronous jacking of cut pier and control method | 2 | 2011 |
concrete structure construction maintenance method in severe environment | 2 | 2012 |
pushing device for bridge erecting machine to pass roadbed and method for bridge erectin… 🛈 | 2 | 2012 |