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发明名称
Loud speaker diaphragm
摘要
申请公布号
US2905260(A)
申请公布日期
1959.09.22
申请号
US19550490224
申请日期
1955.02.24
申请人
THE MUTER COMPANY
发明人
WILLIAMS PHILIP B.
分类号
H04R7/12
主分类号
H04R7/12
代理机构
代理人
主权项
地址
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