Seamless inner grooved copper tube

2020-09-29

无缝内螺纹铜管
Seamless inner grooved copper tube

2020-09-29

空调与制冷设备用内螺纹铝包铜管
Inner grooved aluminum clad copper tube for air conditioner and refrigeration equipment

2014-12-02

铜及铜合金管材内表面碳含量的测定方法
Method for determination of the carbon content on the inner surface of copper and copper-alloy tube

2017-05-31

Трубки из меди и медно-цинковых сплавов. Метод определения загрязненности внутренней поверхности
铜和铜 - 锌合金管 内表面杂质测定方法

Copper and copper alloys. Combustion method for determination of the carbon content on the inner surface of copper tubes or fittings
铜和铜合金 测定铜管或配件内表面碳含量的燃烧法

2009-07-31

Copper and copper alloys - Combustion method for determination of the carbon content on the inner surface of copper tubes or fittings
铜和铜合金.测定铜管或配件内表面碳含量的燃烧法

2010-05-19

Copper and copper alloys. Eddy current test for measuring defects on seamless round copper and copper alloy tubes-Test with an internal probe on the inner surface
铜和铜合金 测量无缝圆铜管和铜合金管缺陷的涡流试验 在内表面使用内部探针进行测试

2019-12-03