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发明名称
Portable stand
摘要
申请公布号
US2646237(A)
申请公布日期
1953.07.21
申请号
US19500142881
申请日期
1950.02.07
申请人
HINESMAN GEORGE M
发明人
HINESMAN GEORGE M.
分类号
B63H20/36
主分类号
B63H20/36
代理机构
代理人
主权项
地址
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