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Standard
| JB/T 7699-2022 Technical specifications for wooden pattern and core box for foundry (English Version) |
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Detail of JB/T 7699-2022
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Introduction of JB/T 7699-2022
本文件规定了砂型铸造用木制模样和芯盒的等级、技术要求、检验方法及标志与保管。
本文件适用于砂型铸造用木制模样和芯盒的制做和检验。木质与金属混合模样，木质与塑料混合模样，木质、塑料和金属混合模样，以及芯盒的制做和检验可参照使用。
Contents of JB/T 7699-2022