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水轮发电机用上下圆盘锻件 技术条件
Forging specification for upper and lower disks for hydraulic generators
价格:¥0.00
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汉字钢印
Steel seal with Chinese characters
价格:¥0.00
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汉语拼音字母钢印
Steel seal with Chinese phonetic letters
价格:¥0.00
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数字钢印
Numeric steel seal
价格:¥0.00
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扩口冲头
Expanding punch in
价格:¥0.00
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压印冲头
Indenting punch pin
价格:¥0.00
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四棱冲头
Tetragonal punch pin
价格:¥0.00
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压件
Pressing parts
价格:¥0.00
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