Design and development of protective canopies for underground low coal electric face equipment, including shuttle cars - 6 volume set. Volume 5 - installation and maintenance manual: face drill
| Image |  |
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| Description | final contract report published in 1973 |
| Author/s |
author: anonymous |
| Publication date | January 1, 1973 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |