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Hardewijk, W. van

Zanamwe, S. & van Hardewijk, W., 1994. The Siwil pipe-lifting device. , pp.p. 30-31: ill., photogr. Available at: https://es.ircwash.org/sites/default/files/Zanamwe-1994-Siwil.pdf.

Fecha publicación: 30/12/2004

SIWIL is a pipe lifting device that is called after its developers SIbanda Zanamwe and WILlem Harderwijk. It was designed as a more practical and...

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