Produk Penguji Stabilitas Termal Kawat dan Kabel IEC 60811-3-2 Klausul 9 The LS-B41 Thermal Stability Tester for Wires and Cables is designed and manufactured in strict accordance with IEC 60811-3-2:1995 Clause 9 (GB/T 2951. 32-2008 Clause 19 Juni 2025