shell-case bronze 上市 Deposited
Alloy of 95% copper, 5% zinc, used for shell cases during WWII, which cases were retrieved by official orders and eventually used for cent metal, 1944-46.
- Breen Encyclopedia
Alloy of 95% copper, 5% zinc, used for shell cases during WWII, which cases were retrieved by official orders and eventually used for cent metal, 1944-46.
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