"batel, wilhelm . "
dust extraction technology:principles methods measurement te: chnique/ wilhelm.. batel - 1 ed. - uk : technicopy 1976. - "xvi, 272p.; 22 cm."
hard cover
TP156 / .B38 1976
dust extraction technology:principles methods measurement te: chnique/ wilhelm.. batel - 1 ed. - uk : technicopy 1976. - "xvi, 272p.; 22 cm."
hard cover
TP156 / .B38 1976