roperties
umps;Specification (approval);Terminology;Use【摘要】: This part of ISO 21573 establishes terminology and commercial-literature specifications for concrete pumps which are used on building sites for concrete-mix delivery.【中国标准分类号】: P97【国际标准分类号】: 91_220【页数】: 27P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |