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JPS59222343A
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Packing material for perishable food
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JPS5953796A
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Production of conductive paper
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JPS5820656A
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Polygonal bag and its manufacture
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JPS5820654A
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Cylindrical bag
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JPS5820655A
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Polygonal bag and its manufacture
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JPS57181847A
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Manufacture of double layer bag, inner bag and outer bag thereof can freely be separated
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JPS57104531A
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Sealing device for mouth of packer for bag
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JPS57100045A
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Manufacture of dampproof multilayer bag
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JPS5741944A
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Manufacture of square bottom bag with sealing piece
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JPS5737504A
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Method and device for sealing packer port of bag
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JPS5689540A
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Manufacture of cover for box
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JPS5686739A
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Manufacture of double layer bag
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JPS5672924A
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Manufacture of processed paper
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