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气缸盖螺母及飞轮螺母技术条件
参考页数:2P.;A4
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对地震传感器应规定的特性
Characteristics to be Specified for Seismic Transducers
参考页数:10P.;A4
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标杆
Ranging poles
参考页数:2P.;A4
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测量仪器.支柱和插座对中心
Surveying instruments; centering, stub and socket
参考页数:2P.;A4
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测量仪器.十字线
Surveying instruments; reticules
参考页数:1P.;A4
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测量仪器的管状水准仪.术语和要求
Tubular level for surveying instruments; terms and requirements
参考页数:2P.;A4
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测绘仪器用三角架
Tripods for surveying instruments
参考页数:3P.;A4
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