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请问涂料专利申请时,树脂相同,工艺不同的涂料。可以申请多份专利吗? |
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水性环氧固化剂、水性环氧树脂。
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南宁中天化工有限公司:涂料原材料,基础化工等.
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|联系我们|Archiver|手机版|小黑屋|联众涂料网 ( 沪ICP备11020344号-1 )
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