General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 3939.5-2004
Scope
This part of GB/T 3939 specifies the principle of sinker naming and the composition of markings. This section applies to the naming and marking of fishing sinkers.
GB/T 3939.5-2004 history
2004GB/T 3939.5-2004 Nomenclature and signs of main fishing gear material-Sinker