中國以前有所謂的祖傳秘方，也是一個道理，隻不過從來沒有上升到由國家層麵的法律來保護知識產權。

來源: 方外居士於 2025-05-13 08:47:06 [舊帖] [給我悄悄話] 本文已被閱讀：次

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