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API 521 : 2007

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
Available format(s)

Hardcopy , PDF

Superseded date

02-19-2021

Published date

01-01-2007

DocumentType
Standard
Pages
206
ProductNote
This product is unavailable in Cuba, Iran, North Korea, Syria
PublisherName
American Petroleum Institute
Status
Superseded
SupersededBy
Supersedes

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US$255.00
Excluding Tax where applicable

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