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B31F1/0041

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BPERFORMING OPERATIONS TRANSPORTING B31Paper goods B31FMECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD B31F1/00Mechanical deformation of paper or cardboard without removing material

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B31F1/0041combined with joining

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Patents Grantslast 30 patents

Information Patent Grant
Curled-edge and double-layered cup, and method of manufacturing the...
- Patent number 10,875,699
- Issue date Dec 29, 2020
- PACK & PROPER CO., LTD.
- Kuo Shih
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents