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Sewage pipe forming apparatus using uneven barrier wall for molding by controlling the width of the extruded strip
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The manufacturing method of the sewage pipe with an uneven barrier wall to control the width of the extrusion molding strip
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Sewage pipe forming apparatus using uneven barrier wall for molding by controlling the width of the extruded strip
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Sewage pipe extrusion using an uneven barrier wall for molding by adjusting the width of the band
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The manufacturing method of the sewage pipe with an uneven barrier wall to control the width of the extrusion molding strip
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A method of manufacturing a fuel-saving a sewer pipe filling wall with the waste plastic
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Fuel-saving device for manufacturing a filling wall with a sewer pipe waste plastics
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Fuel-saving filling wall with a sewer pipe waste plastics
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Seamed pipe for double fixed for a sewer pipe connection
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Seamed pipe for double fixed for a sewer pipe connection
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Seamed pipe connecting for dual fixed for a sewer pipe connection
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Seamed pipe device for a dual fixed coupling for a sewer pipe connection
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Seamed pipe device for forming a dual fixed for sewer pipe connection
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Filling the wall using the waste plastic drainpipe
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Filling the wall using waste plastic drainpipe and a method of manufacturing
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A pipe
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A pipe
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Method for forming of water and sewage pipe connection socket
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