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发明名称
Registering walking stick
摘要
申请公布号
US1841951(A)
申请公布日期
1932.01.19
申请号
US19270193018
申请日期
1927.05.20
申请人
HOPPER HERSCHEL M
发明人
HOPPER HERSCHEL M.
分类号
A45B3/00
主分类号
A45B3/00
代理机构
代理人
主权项
地址
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