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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
grating device for underground excavation engineering and manufacture method | 2 | 2011 |
drawing method and system for engineering geological plane graph | 2 | 2014 |
method for determining allowable fatigue stress range of high-strength steel bar base ma… 🛈 | 2 | 2015 |
ground equipment system based on beidou satellite time service signals | 2 | 2015 |
general walking device for underbridge detecting vehicle | 2 | 2015 |
waterproofing and gas tightness construction method and structure for subsurface tunnel | 2 | 2013 |
straddle type monorail underground section rail wall structure and construction method t… 🛈 | 2 | 2015 |
bridge deck pavement structure and method for steel bridge deck slab | 2 | 2014 |
bridge jacking guide and correction device and construction method | 2 | 2013 |
brake method of railway load line | 2 | 2013 |