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发明名称
Method for making electrical coils
摘要
申请公布号
US2489867(A)
申请公布日期
1949.11.29
申请号
US19460676551
申请日期
1946.06.13
申请人
BELMONT RADIO CORPORATION
发明人
D'ORIO PAT A.
分类号
H01F41/04
主分类号
H01F41/04
代理机构
代理人
主权项
地址
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