Share a standard summary for flanges
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Everyone can take a look; those who need it may go ahead and get it.
It’s the 2009 version now, right?
The standards for invalidation can serve as a reference; sometimes, by looking at them more closely, one can identify areas for improvement. Even the new standards contain many errors
These are all outdated standards! If anyone needs it, feel free to contact me; I’ll send you the latest version