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发明名称
Electric pyrographic instrument
摘要
申请公布号
US2498328(A)
申请公布日期
1950.02.21
申请号
US19480021043
申请日期
1948.04.14
申请人
ATKINS ALLEN L
发明人
ATKINS ALLEN L.
分类号
H05B3/02
主分类号
H05B3/02
代理机构
代理人
主权项
地址
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