An improved trawl door hook-up system

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua: Goudey, Clifford A (Author), Loutrel, Stephen P (Author), Clifton, Arthur B (Author)
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Cambridge Cambridge University 1979
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!