00836nam a2200277Ia 4500 9420 BIBL 20160527205328.0 771111s1977 sz a b i00000 eng 77368761 //r84 Sw*** 9221017095 17.50F spa EVLG 620.23 I61p c1 TD892 .I59 1977 620.2/3 620.23 I61p International Labour Office. 115572 Local Protection of workers against noise and vibration in the working environment. Geneva International Labour Office 1977. vii, 74 p. ill. 18 cm. ILO codes of practice Includes bibliographical references. Noise control. 143081 Local Vibration. 185317 Local 7736 7736 0 0 0 620_230000000000000_I61P 0 evl 377475 10 10 1 2016-05-27 14552 0 620.23 I61p 80000000690779 2016-05-27 00:00:00 r:9420 z:NCC:D 6