CE Britain patent Europe patent American patent American patent anopfuura makumi matatu patents muChina Patent yeAustralia Akawana mubairo weGoridhe mune yechigumi yepasi rose kugadzirwa kwekuratidzira muna 2018 Takapa iyo Industrial standard yeiyi automatic flood barrier vakapasa ongororo yeNational Construction and Technology Institution vakapasa ongororo yeNational Construction and Technology Institution Yakapasa iyo Scientific mhedzisiro ongororo yeNational Civil Air Defense Office Yakapasa iyo Scientific mhedzisiro ongororo yeNational Civil Air Defense Office Akapasa bvunzo neJiangsu Quality Test Center Akapasa bvunzo neJiangsu Quality Test Center