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Processing technology of movable doorsill type civil air defense door
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A kind of closed guard gate with camouflage door
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A kind of closed guard gate's coating and its painting method
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A kind of fire exit door with automatic fire-extinguishing function
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A kind of manufacture method of closed guard gate's steel plate
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A kind of high intensity closed guard gate
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A kind of closed guard gate's air tightness detection system
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A kind of subway door safety monitoring system based on video light curtain
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A kind of safety fire fighting door based on Internet of Things
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CN107444418A
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A kind of signal with demonstration effect reminds subway door
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A kind of ply-metal welding technique
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Method in the boring of the center of rectangular steel plates
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High-strength civil-air-defence door
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Use the method that home position detection device is holed in steel plate in the heart with drilling machine
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Civil air defense door with disguise door
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Disguise door used in cooperation with civil defense door
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Steel civil defense door and manufacturing method of steel plate
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