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Fireproof automatic inflatable oil fence
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Portable high pressure oxygen chamber
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Automatic aerating device
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Portable automatic traveling device
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Automatic inflation type oil fence
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Automatic distributing and discharging oil storage bag
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Emergency magnetic plugging plate
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Folding type life saving hanging cradle
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Airplane air dropping lifesaving device
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Connection shackle with pulley block
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Succor plain stage with sliding board
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Succor plain stage
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Lock cylinder of double sheet positioning rigging
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Locking core for single sheet located rig
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Cable protecting device
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Rescue tossing machine
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Pneumatically emitted throwing device for succor
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Rescuing dredger
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Movable fender
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