R6.1.共通仕様書(清掃業務)

r6-1-%e5%85%b1%e9%80%9a%e4%bb%95%e6%a7%98%e6%9b%b8%ef%bc%88%e6%b8%85%e6%8e%83%e6%a5%ad%e5%8b%99%ef%bc%89
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