樓主: 去缸活塞泵
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振奮----我的專利終于有了用武之地 |
點評
也是一種策略,,好多上市公司買專利申報補貼的也找過我
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點評
是的,,激動啊
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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