A cikin 30s, an ƙirƙira bawul ɗin malam buɗe ido a Amurka, an gabatar da shi ga Japan a cikin 50s, kuma an yi amfani da shi sosai a Japan a cikin 60s, kuma an haɓaka shi a China bayan 70s. A halin yanzu, bawul ɗin malam buɗe ido sama da DN300 mm a duniya a hankali sun maye gurbin bawul ɗin ƙofar. Idan aka kwatanta da gate...
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