I have a question regarding the design field
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Several towers in our facility need to be renovated. While searching for the original drawings of the internal components, we found that some drawings with numbers starting with B-XXXX/X could not be located. The archive manager said that these are standard drawings that are not stored, and that we should look for them at the design institute. Is that the case? I truly hope for a detailed answer. Thank you!
It should be a reuse diagram or a standard diagram, which can be found at the original design firm.
This is a standard drawing, which can be found at the original design institute or the manufacturing unit.