[国外标准] IEC 60811-202-2012 Electric and optical fibre cables/T est methods for non-metallic materials-Part 202: General tests-Measurement of thickness of non-metallic sheath
IEC 60811-202-2012 Electric and optical fibre cables/T est methods for non-metallic materials-Part 202: General tests-Measurement of thickness of non-metallic sheath .pdf