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熔模铸造型壳高温热变形试验方法
Test method for hot deformation of investment casting shell
价格:¥0.00
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锤上自由锻件.复杂程度分类及折合系数
Classification for complexity & equivalent coefficient of open die forgings on hammer
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锤上自由锻件.通用技术条件
General specifications for open die forgings on hammer
价格:¥0.00
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金属冷冲压件 通用技术条件
General specifications of sheet metal stamping parts
价格:¥0.00
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金属冷冲压件 结构要素
Structural main factors for sheet metal stamping parts
价格:¥0.00
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渗碳轴承钢锻件
Carburizing bearing steel forging
价格:¥0.00
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切削加工通用技术条件
General technical conditions for cutting process
价格:¥0.00
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切削加工工艺用代号与符号
Codes and symbols for cutting process
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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