中华人民共和国航空工业部部标准 HB/716-87 齿纹弯头压板 代替 180 60 氧化 AAAAAA 16 标处 氧化 /16 28 75 20 10 R R38 分类代号:Z5831 标记:Z583105 1材料:45按GB699-65. 2热处理:HRC40~45. 3技术条件:按HB1770一87 航空工业部1987一04一08发布 1987-07-01 实施 ...
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