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Research and experimental development services in physical sciences
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CPA.72.19.1
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Research and experimental development services in chemistry and biology
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CPA.72.19.2
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Research and experimental development services in engineering and technology, except biotechnology
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CPA.72.19.3
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Research and experimental development services in medical sciences and pharmacy
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CPA.72.19.4
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Research and experimental development services in agricultural sciences
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CPA.72.19.5
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Research and experimental development services in other natural sciences
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CPA.72.19.6
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Research and development originals in other natural sciences and engineering
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CPA.72.19.7
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