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发明名称
Lead alloy
摘要
申请公布号
US1813324(A)
申请公布日期
1931.07.07
申请号
US19280322573
申请日期
1928.11.28
申请人
S. & T. METAL COMPANY
发明人
SHOEMAKER ROBERT JAY
分类号
C22C11/06
主分类号
C22C11/06
代理机构
代理人
主权项
地址
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