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发明名称
Identification umbrella handle
摘要
申请公布号
US1840003(A)
申请公布日期
1932.01.05
申请号
US19310544865
申请日期
1931.06.16
申请人
WARDEN ROLF T
发明人
WARDEN ROLF T.
分类号
G09F3/00
主分类号
G09F3/00
代理机构
代理人
主权项
地址
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