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发明名称
TIN BASE ALLOY CONTAINING ALUMINUM, ZINC AND COPPER
摘要
An alloy for a jewelry metal consisting of at least 50 percent tin, and aluminum, zinc and copper, has high brightness and improved tarnish resistance.
申请公布号
US3650735(A)
申请公布日期
1972.03.21
申请号
USD3650735
申请日期
1969.04.04
申请人
LUIGI MONACO
发明人
LUIGI MONACO
分类号
C22C13/00;(IPC1-7):C22C13/00
主分类号
C22C13/00
代理机构
代理人
主权项
地址
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