求BS EN 12897:2016
求BS EN 12897:2016《给水 间接加热未放气(封闭的)储水加热器用规范》,先行谢过!:PBS EN 12897-2016 Water supply — Specification for indirectly heated unvented (closed) storage water heaters
http://bbs.infoeach.com/thread-186437-1-1.html
灰常感谢您!感谢您的无私奉献!
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