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发明名称
ELEKTRO-KAMIN MIT EXPONENTIAL-REFLEKTOR.
摘要
申请公布号
DE1692583(U)
申请公布日期
1955.02.03
申请号
DE195400T5444U
申请日期
1954.11.24
申请人
DR. PHIL. HERMANN THOMAS;JOHANNA THOMAS
发明人
DR. PHIL. HERMANN THOMAS;JOHANNA THOMAS
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