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经营范围
发明名称
SHOCK RESISTANT MICROPHONE
摘要
申请公布号
CA815708(A)
申请公布日期
1969.06.17
申请号
CAD815708
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
WILLARD S. BOYLE;HARRY J. BOLL
分类号
主分类号
代理机构
代理人
主权项
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