共找到 3 条与 相关的标准,共 1 页
Przedmiotem normy s? pro-wadniki rur ok?adzinowych stosowane do wspó??rod-kowego ustawiania rur w otworze wiertniczym.
Rotary drilling. Specification for casing centralizer
Measuring meters for hydrogeology. Electrical water level meters with recorders. Types, principal parameters and technical requirements
Measuring meters for hydrogeology. Mechanical water level meters with boosters. Types, principal parameters and technical requirements
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