Plane ventilating door and window structure having both ventilation and improved soundproofing and water/air-tightness capable of completely blocking external sound, rain and air from entering the room
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Building material image recognition and analysis system and method capable of calculating the actual size of the image feature for a building material
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Door and window shielding structure with insect repellent function capable of preventing outdoor mosquitoes from passing through the gaps and entering the room
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Rotating type punching die device comprising a punching die unit and a linkage device to allow quick change of punching heads
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Screen wire regulating device with easy disassembly and assembly structure that includes a fixing seat that is provided with an accommodating groove to receive a wire adjusting body therein and to ease removal of the wire adjusting body by means of an elastic paddle
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Screen window device with frame material mounting/dismounting structure and its frame material mounting/dismounting structure for quickly mounting/dismounting the first frame material to/from the outer frame
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Screen device and mesh structure
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Scroll type screen and screen positioning device thereof allowing a pull handle to be arbitrarily positioned between two lateral frames and capable of positioning a yarn net at any places
