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发明名称
Invalid handling device
摘要
申请公布号
US1971294(A)
申请公布日期
1934.08.21
申请号
US19320632826
申请日期
1932.09.12
申请人
BUNKER WILFRED E
发明人
BUNKER WILFRED E.
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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