自己沒事掏腰包申請啥專利啊.
寫和申請專利至少得花4000到5000塊吧.大部分專利是set up A Fence,是阻止可能的競爭者仿製.
所有跟帖:
• 這個帖討論對升學的幫助,這個錢比請顧問還便宜LOL -shopUSA- ♀ (0 bytes) () 10/23/2024 postreply 15:18:59
• 這個帖討論對升學的幫助,這個錢比請顧問還便宜LOL -shopUSA- ♀ (0 bytes) () 10/23/2024 postreply 15:18:59
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