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发明名称
Spring
摘要
申请公布号
US2256158(A)
申请公布日期
1941.09.16
申请号
US19400347227
申请日期
1940.07.24
申请人
WEISBENDER EUGENE R
发明人
WEISBENDER EUGENE R.
分类号
A47C23/16
主分类号
A47C23/16
代理机构
代理人
主权项
地址
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