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发明名称
BETAETIGUNGSVORRICHTUNG FUER EINE ANDRUCKFEDERLEISTE FUER FERNMELDE-, INSBESONDERE FERNSPRECHANLAGEN.
摘要
申请公布号
DE1830457(U)
申请公布日期
1961.05.04
申请号
DE196000S5461U
申请日期
1960.09.29
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
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主分类号
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