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Design patent certificate: frying pan (tulip pan)
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Design patent certificate: frying pan (small conch shell)
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Design patent certificate: soup pot (Konka cherry)
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Design patent certificate: frying pan (Konka cherry)
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Design patent certificate: Cooking pot (apple burger)
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Design patent certificate: Steamer (Rome)
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Design patent certificate: frying pan (Huangxu whale)