BMC Manhole(GBManhole)
Manhole structure with reinforced frame
Integrated wastewater and rainwater manhole set combining PE bracket and BMC manhole(Patent 10-2122848)
Manhole structure with reinforced frame(Patent 10-2103539호)
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Integrated wastewater and rainwater manhole set
Manhole structure (BMC manhole) with reinforced frame and combination of PE bracket and BMC manhole
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Exterior composition
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Exterior composition2
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Ignition test - anti-deformation process
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Load intensity test
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Exterior photo
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Exterior photo