CONRAD 4018A H0 Lub Teeb Tsawg Nres Nres Nkoj Cov Khoom Siv DB Cov Lus Qhia Txhim Kho
Cov neeg siv phau ntawv no muab cov lus qhia rau kev siv Viessmann's 4018A H0 Lub Teeb Tsawg Nres Nres Nres Nkoj Cov Khoom Siv DB, uas suav nrog Licht-Gleissperrsignal 212441 thiab lwm yam khoom siv. Nws tsis haum rau cov menyuam yaus hnub nyoog qis dua 14 xyoos. Khaws cov lus qhia no rau siv.