申请计量器具新产品定型鉴定和样机试验的单位，应当提供新产品样机及有关技术文件、资料。
The Units applying for model design appraisement for a new measurement instrument and prototype testing should provide a prototype of the new product, and the relevant technical documents and data.
立式金属罐是大宗液体石油产品的主要计量器具。
Vertical metal tank is one of the main measurement utensil of liquid petroleum products.
在全国范围内已经定型，而本单位未生产过的计量器具新产品，应当进行样机试验。
New products whose designs have been finalized in the country But have never been produced by the producer must be tested and their prototypes be made.
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