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发明名称
Alloy
摘要
申请公布号
US1859413(A)
申请公布日期
1932.05.24
申请号
US19310510278
申请日期
1931.01.21
申请人
BERYLLIUM DEVELOPMENT CORPORATION
发明人
SMITH JOSEPH KENT
分类号
C22C21/00
主分类号
C22C21/00
代理机构
代理人
主权项
地址
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