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经营范围
发明名称
STEREO SPEAKER HEADREST FOR AN AUTOMOBILE SEAT
摘要
申请公布号
US3512605(A)
申请公布日期
1970.05.19
申请号
USD3512605
申请日期
1967.08.31
申请人
DAVID D. MCCORKLE
发明人
DAVID D. MCCORKLE
分类号
B60N2/48;H04R5/02;(IPC1-7):H04R5/02;H04M1/11;A47C7/72
主分类号
B60N2/48
代理机构
代理人
主权项
地址
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