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发明名称
GESINTERTER ELEKTRISCHER KALTLEITERWIDERSTANDSKOERPER UND VERFAHREN ZU SEINER HERSTELLUNG
摘要
申请公布号
DE1490659(B2)
申请公布日期
1972.01.13
申请号
DE19641490659
申请日期
1964.09.17
申请人
发明人
分类号
C04B35/46;C04B35/468;H01B1/08;H01C7/02;(IPC1-7):C04B35/00
主分类号
C04B35/46
代理机构
代理人
主权项
地址
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