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经营范围
发明名称
Unmetallische elektrische Widerstandsmasse.
摘要
申请公布号
CH231335(A)
申请公布日期
1944.03.15
申请号
CHD231335
申请日期
1941.01.10
申请人
BIEFELD,KARL;DEUTSCHE TON- & STEINZEUG-WERKE AKTIENGESELLSCHAFT
发明人
BIEFELD,KARL;AKTIENGESELLSCHAFT DEUTSCHE TON- & STEINZEUG-WERKE
分类号
H01C7/04
主分类号
H01C7/04
代理机构
代理人
主权项
地址
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