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发明名称
Invalid transfer device
摘要
申请公布号
US2375907(A)
申请公布日期
1945.05.15
申请号
US19420467070
申请日期
1942.11.26
申请人
FARMER MELVIN M
发明人
FARMER MELVIN M.
分类号
A61G7/10;A61G9/00
主分类号
A61G7/10
代理机构
代理人
主权项
地址
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