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发明名称
Machine for forming bead wires
摘要
申请公布号
US1811457(A)
申请公布日期
1931.06.23
申请号
US19290363472
申请日期
1929.05.16
申请人
ARCTURUS RADIO TUBE COMPANY
发明人
PUY CLARENCE DE;JR. ROBERT BRINDLE,
分类号
H05K13/02
主分类号
H05K13/02
代理机构
代理人
主权项
地址
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