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PATENTS & CERTIFICATES

Anyị nwere ọtụtụ patent nke nọ n'ọkwa mbụ na China

Anyị nwere ọtụtụ ụlọ ọrụ ọkwa & ngwaahịa larịị asambodo,
na nkwado inye asambodo dị iche iche maka iwu ụfọdụ.

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