S.F.S. The jam-socket pipe machine. An interesting U.S. developnent. Materiales de Construcción, [S. l.], v. 5, n. 065, p. 38–40, 1955. DOI: 10.3989/mc.1955.v05.i065.2518. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2518. Acesso em: 14 may. 2024.