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发明名称
Roller rocker
摘要
申请公布号
US2311384(A)
申请公布日期
1943.02.16
申请号
US19400328913
申请日期
1940.04.10
申请人
JULIA C. HARPSTRITE
发明人
HARPSTRITE AUGUSTUS J.
分类号
A47C3/02
主分类号
A47C3/02
代理机构
代理人
主权项
地址
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