NEN EN 731 : 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GAS WELDING EQUIPMENT - AIR-ASPIRATED HAND BLOWPIPES - SPECIFICATIONS AND TESTS
20-10-2011
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Main types of aspiration
5 Description of components
6 Requirements
7 Tests
8 Marking
9 Code letters identifying the gas(es) used
10 Instructions for use
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