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But not every country uses the same standards. Here's a useful (if opaque) chart. Think of each of the acronyms in the corners like ISO standards. Source: https://t.co/0KndNjhh47 https://t.co/DKeAnIXkVl
But not every country uses the same standards. Here's a useful (if opaque) chart. Think of each of the acronyms in the corners like ISO standards. Source: https://t.co/0KndNjhh47 https://t.co/DKeAnIXkVl