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发明名称
HAND MICROPHONE FOR SOUND TRANSDUCING APPLIANCES
摘要
申请公布号
CA609242(A)
申请公布日期
1960.11.22
申请号
CAD609242
申请日期
申请人
WILLY MULLER
发明人
OTTO HOLUB
分类号
主分类号
代理机构
代理人
主权项
地址
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