Get a "provisional" patent first, much cheaper

gchai · 2010-09-11 22:30:26Z

Get a "provisional" patent first, much cheaper簡介

來源: gchai 於 2010-09-11 22:30:26 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 申請實用小專利大概要花多少錢？由執著的創業者於 2010-09-11 08:48:59

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