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[国外标准] BS EN 4807-2017Aerospace series - Flange couplings - Weld coupling90° elbow in heat resisting steel - Inch series

hansen

P:2012-02-22 12:30:27

1

求助BS 4807，多谢！

plastic-metal laminated sheath - 塑料-金属粘接护套 （0） 投诉

36585420

P:2024-03-09 13:13:06

2

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BS EN 4807-2017 Aerospace series - Flange couplings - Weld coupling90° elbow in heat resisting steel - Inch series.pdf

v.c. - varnished cambric浸漆黄蜡布,漆布 （0） 投诉

2