the surfaces being below the traction means

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Patents Grantslast 30 patents

Information Patent Grant
3019911
- Patent number 3,019,911
- Issue date Feb 6, 1962
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
3010584
- Patent number 3,010,584
- Issue date Nov 28, 1961
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
2980258
- Patent number 2,980,258
- Issue date Apr 18, 1961
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL