cam a22 2 4500 103513027 CHVBK 20200831103813.0 060413s1926 xxu 00 eng RekatMedea: 158.0014 IZ UBS/akswa (OCoLC)604469507 (IDSBB)003874070 SzZuIDS BS/BE A125 kids 330 15 Ward Emma F. Phosphorus necrosis in the manufacture of fireworks and in the preparation of phosphorus Emma F. Ward Washington [United States] Government Printing Office 1926 III, 44 p. VIII 8' Text txt rdacontent/ger ohne Hilfsmittel zu benutzen n rdamedia/ger Band nc rdacarrier/ger Bulletin of the United States Bureau of Labor Statistics No. 405 405 (IDSBB)001378034 103531955 Arbeitsschutz (DE-STW)12609-5 stw Berufskrankheit (DE-STW)12618-4 stw BK020000 XK020000 XK020000 akswamedea idsbb A IDSBB A125 A125 125ST SWA Vo M 37a IDSBB 100 1- Ward Emma F. IDSBB 490 0- Bulletin of the United States Bureau of Labor Statistics No. 405 405 (IDSBB)001378034 103531955