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Hygrade Products Ltd.
102 Neilson St
2013 Onehunga, Auckland / New Zealand
0800 494 723
james.logan@hygrade.net.nz

Download HAURATON Calculation Programmes

Blank for hydraulic calculations of drainage systems (this form can be filled in online).

 

DRAINFIX calculation form for dimensioning of your projects (this form can be filled in online)

 
 
 

Hygrade Products Ltd.
102 Neilson St
2013 Onehunga, Auckland / New Zealand
0800 494 723
james.logan@hygrade.net.nz

 

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