IS 4643 : 1984 Specification for suction wrenches for fire brigade use
| UDC 621.883.1/.6 : 614.843.25 : 614.842.83 | CED 22 |
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| Reaffirmed 2020 |
1 Scope
1.1 This standard lays down the requirements regarding materialsand dimensions of conventional type of suction wrenches used byfire services.
2 References
IS 2 : 1960 Rules for rounding off numerical values
IS 226 : 1975 Specification for structural steel (standard quality)