M00000335
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ASTM F957-91(1996) Standard Specification for Gong, Sound Signaling
standard by ASTM International, 01/01/1996
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Availability date: 07/24/2021
1.1 This specification covers gongs for use on ships 100 m or more in length, as required by International Regulations (see Appendix X1).
1.2 For consistency with International Regulations, all measurements are in SI units.