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发明名称
Negativkohle für hohe Stromstärken.
摘要
申请公布号
CH305248(A)
申请公布日期
1955.02.15
申请号
CHD305248
申请日期
1952.03.06
申请人
FIRMA C. CONRADTY
发明人
CONRADTY FIRMA C.
分类号
H05B31/10
主分类号
H05B31/10
代理机构
代理人
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地址
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