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发明名称
Apparatus for manufacturing sheathed electrical heating elements
摘要
申请公布号
US2973572(A)
申请公布日期
1961.03.07
申请号
US19560580573
申请日期
1956.04.25
申请人
OAKLEY STERLING A
发明人
OAKLEY STERLING A.
分类号
H01B7/16;H05B3/52
主分类号
H01B7/16
代理机构
代理人
主权项
地址
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