Steel Forgings; Machining Allowances and Permissible Variations for Open-die Forged Discs
钢锻件；开式模锻圆盘的加工余量和允许偏差

1971-10-01

Steel Forgings; Machining Allowances and Permissible Variations for Seamless Open-die Forged Bushes
钢锻件；无缝开式模锻衬套的加工余量和允许偏差

1972-01-01

Steel Forgings; Machining Allowances and Permissible Variations for Open-die Forged Pierced Discs
钢锻件；开式模锻穿孔圆盘的加工余量和允许偏差

1971-10-01

Steel Forgings; Machining Allowances and Permissible Variations for Open-die Forged Rolled and Welded Rings
钢锻件；开式模锻轧制和焊接环的加工余量和允许偏差

1972-01-01

Steel Forgings; Machining Allowances and Permissble Variations for Seamless Open-die Forged Rings
钢锻件；无缝开式模锻环的加工余量和允许偏差

1971-10-01