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DIN EN 2667-3-2019 Aerospace series – Non-metallic materials – Foaming structural adhesive films – Test ...2023-06-04
HB/Z 170-2020航空金屬零件孔擠壓強化工藝Process of hole expansion strengthing for aircraft metal parts...2023-04-16
QC/T 879-2011E型通孔式嵌裝塑料螺母Plastic expansion nut with open end - type E2022-06-09
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