GB - Chinese national standards

Sampling method of battery scraps

Available languages: English, Chinese

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Copper and copper alloy designation and code system

Available languages: English, Chinese

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Magnesium and magnesium alloy terms and definitions of die-castings defects

Available languages: English, Chinese

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Seamless copper alloy tubes for subsurface sucker rod pumps

Available languages: English, Chinese

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Temper designations for copper and copper alloys

Available languages: English, Chinese

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Road traffic management data dictionary - Traffic detector

Available languages: English, Chinese

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Road traffic management data dictionary - Traffic event data

Available languages: English, Chinese

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Road traffic management data dictionary - Traffic network

Available languages: English, Chinese

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Road traffic management data dictionary - Traffic signal control

Available languages: English, Chinese

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Road traffic information service - The exchange and storage format of historical probe data

Available languages: English, Chinese

Available design: electronic design (pdf), Print design