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机械密封用缠绕式波形弹簧技术条件
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金属包垫片
Metallic envelope gaskets for pipe flanges
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柔性石墨板材 第9部分:取样方法
Flexible graphite sheets. Part 9:Sampling method
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柔性石墨编织填料
Flexible graphite braided packing
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潜水电泵用机械密封
Mechanical seal of submersible pumps
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汽车用塑料密封条
Plastic weatherstrips for automobile
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机械密封用Ｏ形橡胶圈
The rubber O-ring for mechanical seal
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机械密封用碳化硅密封环 技术条件
Specifications for silicon carbide rings of mechanical seal
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汽车密封条保持力和插入力试验方法
Retention strength and insertion resistance test method for automobile weatherstrips
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