HB 227-2003 便携式足球球门门柱.生产,使用和储存
HB 227-2003
行业标准-航空 强制性 AvailableW
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内容简介
Provides guidance on the manufacture, installation, use, storage and maintenance of portable soccer goalposts. It is intended for use by soccer officials, sports club personnel, school officials, sports equipment manufacturers and purchasers, parents, co
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