Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
NB/T 47039-2013 |
Variable spring hangers 可变弹簧支吊架 |
China Energy industry
Standards Variable spring |
English PDF |
HG/T 20644-1998 |
Variable spring supports 变力弹簧支吊架 |
China Chemical Industry
Standards Variable spring |
English PDF |
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