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发明名称
Signaling device
摘要
申请公布号
US2355648(A)
申请公布日期
1944.08.15
申请号
US19410420969
申请日期
1941.11.29
申请人
HAMMAND LOWELL F
发明人
HAMMAND LOWELL F.
分类号
B67D7/54
主分类号
B67D7/54
代理机构
代理人
主权项
地址
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