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发明名称
Corner horn
摘要
申请公布号
US2754926(A)
申请公布日期
1956.07.17
申请号
US19540471395
申请日期
1954.11.26
申请人
ASA M. STACKHOUSE
发明人
RICE WARREN A.
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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