NF J31-521

NF J31-521

February 1972
Standard Cancelled

Shipbuilding. Rounded manhole cover. Small model 450 X 350.

Main informations

Collections

National standards and national normative documents

Publication date

February 1972

Number of pages

2 p.

Reference

NF J31-521

ICS Codes

47.020.10   Hulls and their structure elements

Classification index

J31-521

Print number

1
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