DIN 18709-2:1986-04 Concepts, abbreviations and symbols in surveying; surveying by the engineer

标准编号：DIN 18709-2:1986-04

英文标题：Concepts, abbreviations and symbols in surveying; surveying by the engineer

德文标题：Begriffe, Kurzzeichen und Formelzeichen im Vermessungswesen; Ingenieurvermessung

发布日期：1986-04

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