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Detachable meal distribution furniture base for ship
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Boats and ships pier extends and leans on a system
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Balance-adjustable hanging beam and using method
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Fireproof manhole cover
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Cable laying structure and laying method
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Pre-lapping method for scaffold at butt joint of ship bulkhead
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Ship heavy steel rail mobile positioning trolley tool and assembling and using method thereof
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Ship and inclined ladder foot fixing and vibration damping device for ship and installation method
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High-stability ship rudder angle feedback connecting rod device
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Small wireless remote control platform for ship signal lamp detection and use method
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Method for calculating concentric circle center of upper deck pipe hole in LNG ship dome patch section upper deck
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Method for controlling size of ship body segment by using jig frame datum line
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