CALCULATION OF THE SLEEVE PACKER ELEMENT WITH THE VARIABLE ANGLE OF LAYING OF THREADS OF THE CORD FOR CREATION OF EDGE PROTECTION (PART 2) Serdyukov N.D., Ryzhenko E.V., Smirnov Yu.P., Mashkov A.V. https://doi.org/10.34031/2618-7183-2019-2-2-41-49 Download PDF 41-49 p. serdjukov2