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发明名称
Transfer and walker device
摘要
申请公布号
US2339007(A)
申请公布日期
1944.01.11
申请号
US19410421380
申请日期
1941.12.02
申请人
FRANK GAHM
发明人
GAHM FRANK
分类号
A61G7/10
主分类号
A61G7/10
代理机构
代理人
主权项
地址
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