袩芯褋谢械写薪懈械 写芯斜邪胁谢械薪薪褘械 胁懈写械芯:
诪讻讜谉-讛转拽谞讬诐
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3 years ago
5470 3 years ago 2:22诪讛 讝讛 诪讻讜谉 讛转拽谞讬诐, 讜讻诪讛 讛讜讗 注讜诇讛 诇谞讜?
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11 years ago
42979 11 years ago 3:51诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬 诪讗讜砖专 讜讘讟讜讞 诇砖讬诪讜砖
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4 years ago
69 4 years ago 1:09诪讛 诪讻讜谉 讛转拽谞讬诐 诇讗 诪住驻专讬诐 诇讻诐?
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14 years ago
135 14 years ago 7:09诪讻讜谉 讛转拽谞讬诐 - 住专讟 转讚诪讬转
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3 years ago
331 3 years ago 5:51拽谞讬讜转 讘专砖转 – 讘讚讬拽转 诪讻讜谉 讛转拽谞讬诐 驻专讬讟讬诐 砖谞拽谞讜 讘讝专讛 诪讜诇 驻专讟讬诐 砖谞拽谞讜 讘专砖转
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4 years ago
1332 4 years ago 1:51诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬- 诪讻讻讘讬诐 讘注讜诇诐 讛讞讚砖谞讜转
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4 years ago
10487 4 years ago 1:10讛诪拽爪讜注谞讬诐 砖诇 诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬 - 讗诪讬专 讙专讘爪拽讬
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3 years ago
708 3 years ago 1:13ISO 诇注住拽讬诐 拽讟谞讬诐 讜讘讬谞讜谞讬讬诐- 诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬 ISO 9001
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3 years ago
1573 3 years ago 1:28讘讚讬拽转 谞讝讬诇讜转, 专讟讬讘讜转 讜诪讝讛诪讬诐- 诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬
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4 years ago
12717 4 years ago 1:35讛诪拽爪讜注谞讬诐 砖诇 诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬 - 驻讝讬转 讗讛专讜谞讬
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2 years ago
1459 2 years ago 4:22100 砖谞讛 诇诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬
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4 years ago
4095 4 years ago 7:33拽专讘 砖诇 诪讬诇讬讗专讚讬诐 注诇 讛讻讬住 砖诇谞讜: 讛专驻讜专诪讛 讛砖谞讜讬讛 讘诪讞诇讜拽转 砖诇 诪讻讜谉 讛转拽谞讬诐
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12 years ago
447 12 years ago 3:56讛讻谞住 讛砖谞转讬 砖诇 诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬
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6 years ago
949 6 years ago 1:53住专讟讜谉 诪转拽谞讬 诪砖讞拽讬诐 诪讻讜谉 讛转拽谞讬诐 讛讬砖专讗诇讬
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4 years ago
55132 4 years ago 1:14讟专诪驻讜诇讬谞讛 讘讬转讬转 - 讘讚讬拽转 诪讻讜谉 讛转拽谞讬诐
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9 years ago
5125 9 years ago 7:08Introduction to Standards: American National Standards Institute (ANSI)
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9 years ago
11129 9 years ago 7:54Introduction to Standards: Institute of Electrical and Electronics Engineers (IEEE)