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classificationCode:"ipc:b22d"
Aquatic animal detangling device of benthic gear and mooring lines
Autonomously electromagnetic transport carrier of food portions
Chain belt type semi-automatic kelp harvesting and slitting integrated ship and harvesting method
Composite panel cutting machine capable of detecting panel thickness
Device with water body multi-layer water quality monitoring function
Equipment capable of improving stability of marine disaster monitoring instrument
Single-piece transfer arm structure for analytical instrumentation
Suspended monitoring device and method for monitoring ecological hydrology in Yangtze River basin