IS 11319 : 1985 Specification for Oesophagoscope, Negus' Pattern
| UDC 615.471 : 616.329 - 072.1 : 006.78 + 006.82 | MHD 4 |
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| Reaffirmed 2022 |
1 Scope
Specifies material, dimensions and other requirements forNegus', Pattern of Oesophagoscope with conventional lighting usedfor diagnostic purposes in ENT surgery.