人工帮你查
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【2402】特殊用织物
涂胶<span class='red'>防水布</span>
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【2202】网，遮篷，帐篷，防水油布，帆
多用途的塑料<span class='red'>防水布</span>
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【1702】非金属密封减震制品
170030<span class='red'>管道</span>垫圈 <span class='red'>管道</span>胶带 170030<span class='red'>管道</span>接头垫圈 <span class='red'>管道</span>接头胶带 170118密封<span class='red'>管道</span>用胶带 <span class='red'>管道</span>接头密封用橡胶圈 170089<span class='red'>管道</span>用非金属加固材料 170086压缩空气<span class='red'>管道</span>用非金属附件
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【1703】橡胶，树脂，纤维制品
170073<span class='red'>管道</span>用非金属接头 <span class='red'>管道</span>用非金属弯头 <span class='red'>管道</span>用非金属附件 <span class='red'>管道</span>用橡胶接头
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【3702】建筑工程服务
<span class='red'>管道</span>铺设 <span class='red'>管道</span>安装 <span class='red'>管道</span>维护 <span class='red'>管道</span>铺设服务 <span class='red'>管道</span>保养咨询服务 <span class='red'>管道</span>铺设咨询服务 370063<span class='red'>管道</span>铺设和维护 <span class='red'>管道</span>安装咨询服务 <span class='red'>管道</span>修理咨询服务 <span class='red'>管道</span>安装和修理
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【3912】单一服务
390041<span class='red'>管道</span>运输 燃料<span class='red'>管道</span>运输 通过<span class='red'>管道</span>输送石油或天然气
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