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发明名称
EAR PROTECTOR
摘要
申请公布号
US3432861(A)
申请公布日期
1969.03.18
申请号
USD3432861
申请日期
1966.08.09
申请人
DAVID CLARK CO. INC.
发明人
JOHN E. FLAGG
分类号
A61F11/14;(IPC1-7):A42B1/06
主分类号
A61F11/14
代理机构
代理人
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地址
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