发明授权
US5248476A Fusible alloy containing bismuth, indium, lead, tin and gallium 失效
含有铋,铟,铅,锡和镓的易熔合金

Fusible alloy containing bismuth, indium, lead, tin and gallium
摘要:
An alloy composition comprising effective amounts of bismuth, indium, lead, tin, and gallium, which is especially suited for lens blocking.
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