DIN 21920-7-1996 标准详情
- 标准号:DIN 21920-7-1996
- 中文标题:矿山勘测平面图.岩相学.第7部分:钾盐矿和岩盐矿
- 英文标题:Mine plans - Petrography - Part 7: Potash and rock salt mining
- 标准类别:德国标准
- 发布日期:1996-04
The document defines the drafting of mining-specific maps. The document contains the necessary symbols, abbreviations and terms for the display of petrological features of the deposit and the adjacent strata in potash and rock salt mining.#,,#
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