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发明名称
METHOD OF PRODUCING BRIGHT GOLD
摘要
申请公布号
CA574796(A)
申请公布日期
1959.04.28
申请号
CAD574796
申请日期
申请人
SEL-REX PRECIOUS METALS
发明人
EDWIN C. RINKER
分类号
主分类号
代理机构
代理人
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