NBN 740-1970
Reinforcement of non-strut fixed bottom opening under internal pressure
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NBN 740-1970
Standard No.
NBN 740-1970
Release Date
1970
Published By
BE-NBN
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NBN 740-1970
NBN 740-1970 history
1970
NBN 740-1970
Reinforcement of non-strut fixed bottom opening under internal pressure
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