有限质量保证：美国瓦茨调节阀公司保证每件产品在材料和工艺上没有缺陷，保证期限从出厂之日起壹年之内。
LIMITED WARRANTY: Watts Regulator Company warrants each product against defects in material and workmanship for a period of one year from the date of original shipment.
有限质量保证：美国瓦茨调节阀公司保证每件产品在材料和工艺上没有缺陷，保证期限从出厂之日起壹年之内。
LIMITED WARRANTY: Watts Regulator Company warrants each product against defects in material and workmanship for a period of one year from the date of original shipment.
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