A medical examination of employees of the coal mining industry of New South Wales /
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Sydney :
Alfred Henry Pettifer, Government Printer,
1949.
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| Item Description: | At head of title: Joint Coal Board. |
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| 实物描述: | 54 p. : ill. ; 28 cm. |