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JP2001342475A
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Furl using waste plastic and coal as raw material
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JPH07171338A
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Removal of acid gas from exhaust smoke and device thereof
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JPH07116412A
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Honeycomb filter
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JPH0796981A
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Packing bag for microwaveoven with built-in cutter
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JPH0717563A
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Bag having self-squeezing function
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JPH0717583A
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Thermosetting film packing device having cutter inside
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JPH01247172A
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Color typing and device
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JPH01174717A
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Device for improving earth by use of electrolysis of underground water
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JPS6426797A
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Paper for forming coating stencil
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JPS63264154A
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Device for enriching oxygen
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JPS62206118A
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Improvement in ground by electrolysis of groundwater
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