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  BS EN...

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  JIS B...

  JIS B 7989:2008 ...

API RP 1133

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API MPMS Chapter 14.7 (R2023)

API TR 977

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API Spec 5L

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API TR 980

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API MPMS Chapter 13.2

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API RP 5C6

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VDI/VDE 2178

ANSI/HI 9.8-2012

ANSI/AWWA C150/A21.50-08

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