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发明名称
MIKROPHON, VORZUGSWEISE TISCH- ODER STAENDERMIKROPHON.
摘要
申请公布号
DE1729673(U)
申请公布日期
1956.09.13
申请号
DE195500S8932U
申请日期
1955.12.20
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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地址
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