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发明名称
Signaling device
摘要
申请公布号
US2107952(A)
申请公布日期
1938.02.08
申请号
US19360109369
申请日期
1936.11.05
申请人
ROY MCGEE JOSEPH
发明人
MCGEE JOSEPH ROY
分类号
B67D7/56
主分类号
B67D7/56
代理机构
代理人
主权项
地址
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