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经营范围
发明名称
LAUTSPRECHER MIT SCHALLWAND.
摘要
申请公布号
DE1658354(U)
申请公布日期
1953.07.02
申请号
DE195200B0209U
申请日期
1952.09.09
申请人
BLAUPUNKT-WERKE G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
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