Specification for electrical apparatus for explosive atmospheres. Part 4, Type of protection 'e'.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London :
British Standards Institution,
1973.
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| Series: | B.S. (Series) ;
4683, pt.4. |
| Subjects: |
| Physical Description: | 20 p. : ill. ; 30 cm. |
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| ISBN: | 058007952x |