73 B_sCE50_ipMF7_bCLT160 0.25 197 ift Rosenheim Forschungsbericht Vibroakustik 1a_A_03/05 B_sCE50_ipMF7_bCLT160 Trenndecke cross laminated timber (CLT) ift Rosenheim HS Rosenheim 2015 keine Angabe 1 Zementestrich M_sCE50 1 3 Akustic EP1 M_ipMF7 2 94 BBS 125 5s M_bCLT160 3 1 46 1