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发明名称
Speaker grill
摘要
申请公布号
US3377144(A)
申请公布日期
1968.04.09
申请号
US19670624421
申请日期
1967.03.20
申请人
PARAGON DIE CASTING COMPANY
发明人
LANNERT MELVIN R.
分类号
B29C45/00;H04R1/02
主分类号
B29C45/00
代理机构
代理人
主权项
地址
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