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发明名称
Signaling device
摘要
申请公布号
US2325666(A)
申请公布日期
1943.08.03
申请号
US19420434465
申请日期
1942.03.13
申请人
CZACHORSKI ROBERT S
发明人
CZACHORSKI ROBERT S.
分类号
B41B27/10
主分类号
B41B27/10
代理机构
代理人
主权项
地址
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