[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

判断真古着看拉链品牌与工艺:YKK拉链1970年前多为金属材质且拉头刻有"TALON"或"CONMAR",欧洲古着常见Riri拉链,塑料树脂拉链普及于1980s后,出现塑料拉链即基本排除60s前

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