ASTM F1797绝缘采掘式起重机声音发射试验标准试验方法
日期:2012-02-08 13:44
holes, set poles, and position materials and apparatus.
1.1.1.1 Insulated and non-insulated type digger derricks may be evaluated with this test method.
1.1.1.2 Digger derricks, if so equipped to position personnel or equipment, or both, may also be evaluated with this test method in conjunction with Test Method F914.
1.1.2 Equipment Not CoveredExcluded from this test method are general-purpose cranes designed only for lifting service and machines primarily designed only for digging holes.
1.2
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