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Porthole device for flexible inflatable cabin of spacecraft
Spacecraft configuration capable of being assembled and expanded on orbit
Space multifunctional inflation type sealed cabin skin structure suitable for manned environment
Universal lifting device for ground wire of power transmission line
Simple short-distance lifting device for power transmission overhead ground wire
Anti-falling intelligent safety measure device for climbing transmission tower
Insect-imitating crawling robot device for arranging temporary anti-falling rope by climbing tower