| Title: | Novel coal-cutting bits and their wear resistances / by Lung Cheng ... [et al.]. |
| Note: | [Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, [1983] |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, without a stable link. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Coal-cutting bits |
| Subject: | Mechanical wear |
| Subject: | Coal mines and mining -- Safety measures |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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