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The handheld laser bird repellent uses the laser with the wavelength of 525nm as the light source for bird repelling. It has good beam quality, long action distance and low adaptability to birds.
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Henan Gongsen Chemicals Co.,Ltd.: Welcome to buy acetates, amines and amides, chlorinated solvents, inorganic, plasticizer for sale here from professional manufacturers in China. Our factory offers
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Maanshan Dongqiang Machinery Manufacturing Co.,Ltd: We're well-known as one of the leading breaker, spare parts for hammer, construction machinery, hydraulic hammers, excavator parts manufacturers in
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Bazhou Wanxin Industrial and Trading Co.,Ltd: We're well-known as one of the leading slitting line, cut to length, erw pipe mill, hot dip galvanizing line, steel slitter manufacturers in China since
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GNEE (Tianjin) Electrical Equipment Co., Ltd.: We're professional dry type transformer, distribution transformer, power transformer, pole mounted transformer manufacturers and suppliers in China. We
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Oct 21, 2014 · Modern computer science is dominated by men. But it hasn't always been this way. A lot of computing pioneers — the people who programmed the first digital computers — were women. And for decades, the number of women studying computer science was growing faster than the number of men. But in 1984 ...