ILT-U-1535
Textile determinations Number of threads per unit length deteremination
ILT-U-1627
Textile determinations.
ILT-U-228
Determination of the number warp yarns and weft yarns
ILT-U-323
Textile determinations. 49
ILT-U-501
Textile determination. 32
ILT-U-850
Textile determinations. 78
