American Society for Testing and Materials. Standard specification for lead-coated and lead-alloy-coated soft copper wire for electrical purposes.
Lua i Stíl Chicago (17ú heag.)American Society for Testing and Materials. Standard Specification for Lead-coated and Lead-alloy-coated Soft Copper Wire for Electrical Purposes.
Lua MLA (8ú heag.)American Society for Testing and Materials. Standard Specification for Lead-coated and Lead-alloy-coated Soft Copper Wire for Electrical Purposes.
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