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ISO 21621:2021
Tourism and related services - Traditional restaurants - Visual aspects, decoration and services
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International Organization for Standardization [iso]
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International Organization for Standardization [iso]
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British Standards Institution [bsi]
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CHINESE GB Standards [spc]
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CHINESE GB Standards [spc]
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International Association of Plumbing and Mechanical Officials [iapmo]
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ASTM International [astm]
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CHINESE GB Standards [spc]
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International Organization for Standardization [iso]
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Danish Standards [ds]
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International Organization for Standardization [iso]
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Swedish Standards Institute [sis]
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British Standards Institution [bsi]
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British Standards Institution [bsi]
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British Standards Institution [bsi]
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Danish Standards [ds]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.