HEA|  |00601nam0 2200241   45  
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101|0 |▼aeng
102|  |▼aUSA
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200|10|▼aAutomatic machining
207| 0|▼av.16 (1955)-
210|  |▼aRochester, N.Y.▼cScrew Machi-
   |  |ne Publication Co.
430| 1|▼12001 ▼aScrew machine engineering
530|0 |▼aAutomatic Machining
531|  |▼aAutom. Mach.
541|1 |▼a（美）自动机械加工
690|  |▼aTG68
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