阀门检验报告有效期几年 -法律知识-法规政策咨询及电话投诉类法律援助-法律咨询免费平台-国际律师联盟

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问题	阀门检验报告有效期几年 -法律知识
释义	法律分析: 长期有效。只要阀门还没使用。阀门安装使用了以后由于水可以让铁生锈，而导致阀门泄漏。一般国产阀门在两三年后都需要维修了。法律依据: 《中华人民共和国民法典》第四百九十条当事人采用合同书形式订立合同的，自当事人均签名、盖章或者按指印时合同成立。在签名、盖章或者按指印之前，当事人一方已经履行主要义务，对方接受时，该合同成立。法律、行政法规规定或者当事人约定合同应当采用书面形式订立，当事人未采用书面形式但是一方已经履行主要义务，对方接受时，该合同成立。
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