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发明名称
Signaling device
摘要
申请公布号
US2127538(A)
申请公布日期
1938.08.23
申请号
US19360102726
申请日期
1936.09.26
申请人
SEIGER HARRY W
发明人
SEIGER HARRY W.
分类号
A61F5/48
主分类号
A61F5/48
代理机构
代理人
主权项
地址
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