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发明名称
Frequency-phase converter with inductive current control
摘要
申请公布号
US2683851(A)
申请公布日期
1954.07.13
申请号
US19490087714
申请日期
1949.04.15
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
PARSONS JOHN R.
分类号
B23K11/24
主分类号
B23K11/24
代理机构
代理人
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地址
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