Anonymous ID: f75655 Dec. 10, 2018, 1:59 a.m. No.4237678 🗄️.is 🔗kun >>4219821 >>4226145 >>4234730 >>4236761 https ://www.siemens.com/history/pool/newsarchiv/downloads/20120829_sirwilliamsiemenslang_engl.pdf Might be something, might be nothing, could be worth digging more