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JPS63307031A
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Method for opening large bag
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JPS63294353A
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Method for hanging large bag
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EP0107500A1
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Heavy duty bag
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JPS59118457A
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Manufacture of multilayer bag
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JPS5943175A
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Production of laminate paper of wall material liner
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JPS5915596A
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Production of corrugated board base paper having water and oil repellency
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JPS57142853A
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Paper bag for double packing which can easily be unsealed
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JPS5623452A
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Film bag in synthetic resin
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JPS5567443A
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Preparation of multilayer bag with fold
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JPS5546958A
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Preparation of multilayer bag with crease
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JPS5528802A
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Preparation of bag that use resin cloth as main blank
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JPS5378365A
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Method of weaving gray resin cloth of double pic by water jet loom
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JPS52106978A
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Method of manufacturing flap with seam reinforcing piece
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JPS5268587A
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Packaging method of strong cushioning chracteristics
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JPS5226989A
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Paper bag trnsferring method for heavy packaging paper sewing machine
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JPS5217979A
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Method of manufacturing particle inlet opening of resin cloth bag
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JPS51133370A
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Method of producing resin cross cylindrical body with synthetic resin cylindrical film as inner layer
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