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Lifting equipment for waffle slab
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Patent number 10,328,583
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Issue date Jun 25, 2019
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RUENTEX ENGINEERING & CONSTRUCTON, CO., LTD.
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Samuel Yin
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Waffle slab with plug
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Patent number 10,280,628
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Issue date May 7, 2019
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RUENTEX ENGINEERING & CONSTRUCTON, CO., LTD.
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Samuel Yin
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E04 - BUILDING