(1949). Galvanized mild steel indirect cylinders annular or saddle-back type. London: British Standards Institution.
Παραπομπή Chicago StyleGalvanized Mild Steel Indirect Cylinders Annular or Saddle-back Type. London: British Standards Institution, 1949.
Παραπομπή MLAGalvanized Mild Steel Indirect Cylinders Annular or Saddle-back Type. London: British Standards Institution, 1949.
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