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平盖衬不锈钢手孔
Lining stainless steel flat cover handhole
参考页数：26P.;A4
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椭圆快开衬不锈钢人孔
Lining stainless steel elliptic quick opening manhole
参考页数：22P.;A4
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垂直吊盖衬不锈钢人孔
Lining stainless steel vertical hanging cover manhole
参考页数：26P.;A4
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水平吊盖衬不锈钢人孔
Lining stainless steel horizontal hanging cover manhole
参考页数：26P.;A4
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回转拱盖快开衬不锈钢人孔
Lining stainless steel rotary arch cover of quick opening manhole
参考页数：22P.;A4
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衬不锈钢人、手孔分类与技术条件
Classification and technical specification for lining stainless steel manholes and handholes
参考页数：41P.;A4
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玻璃管液面计标准系列及技术要求(PN1.6)
参考页数：
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玻璃管液面计标准系列及技术要求(PN1.6)
参考页数：8P.;A6
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视镜式玻璃板液面计(PN0.6)
参考页数：8P.;A6
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