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Q：各船级社材料与焊接规范最新有效版是哪一版？
A：截止2021年1月11日，本小编查阅了各主流船级社材料与焊接规范最新有效版本，分享于此，供各位关注的用户查阅。
修订要点：
NA
NR 216 R11 E，CH1，Sec 1；
NR 216 R11 E，CH2，Sec 1, Sec 2, Sec 3, Sec 4, Sec 5；
NR 216 R11 E，CH3，Sec 1, Sec 2；
NR 216 R11 E，CH4，Sec 1, Sec 2, Sec 3；
NR 216 R11 E，CH5，Sec 1；
修订要点：
修订要点：
修订要点：
The Rules are generally published annually and changed through a system of Notices between releases.
修订要点：
Amendments to Part K of the RULES FOR THE SURVEY AND CONSTRUCTION OF STEEL SHIPS made between 1 January 2019 and 31 December 2019
修订要点：
Unless expressly specified otherwise, the requirements in these Rules apply to ships/offshore contracted for construction on or after 1 July 2020 or when the application for certification of materials is dated on or after 1 July 2020.
修订要点：
GENERAL CONDITIONS OF THE RULES effective from 1/1/2021
修订要点：
a) Rules Change Notice No.1 of August 2019
b) Rules Change Notice No.2 of October 2019
c) Rules Change Notice No.3 of January 2020
d) Rules Change Notice No.4 of April 2020.
修订要点：
Rules for the Classification and Construction of Sea-Going Ships of Russian Maritime Register of Shipping have been approved in accordance with the established approval procedure and come into force on 1 January 2020.
The present edition of the Rules is based on the 2019 edition taking into account the amendments developed immediately before publication.
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