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经营范围
发明名称
ELEKTRISCH ERWAERMTER ISOLATIONSTRENNER.
摘要
申请公布号
DE1645759(U)
申请公布日期
1952.10.23
申请号
DE195200ST547U
申请日期
1952.04.24
申请人
ERICH & FRED ENGEL
发明人
分类号
H02G1/12
主分类号
H02G1/12
代理机构
代理人
主权项
地址
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