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发明名称
SOLDER ALLOY COMPOSITION
摘要
申请公布号
US3607252(A)
申请公布日期
1971.09.21
申请号
USD3607252
申请日期
1969.06.02
申请人
SPERRY RAND CORP.
发明人
ROBERT E. NORTH
分类号
B23K35/26;(IPC1-7):C22C13/00
主分类号
B23K35/26
代理机构
代理人
主权项
地址
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