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| Re: Remember TV Test Patterns? (258064) | |||
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Re: Remember TV Test Patterns? |
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Posted by TransitChuckG on Sat Oct 27 21:52:39 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 19:52:13 2007. In mechanical engineering firms, we used ECR's like crazy. If a drawing went from Rev. - to Rev. A, the ECR described in detail what that change was to the part and why.A lot of places issued ECR notices first, then an ECN would appear on the drawing (Engineering Change Notice). Here's part of a drawing I did with a Rev. "A" triangle, we used these a lot. 
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