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发明名称
Spring
摘要
申请公布号
US1974405(A)
申请公布日期
1934.09.18
申请号
US19330691005
申请日期
1933.09.26
申请人
WINDERS ROBERT C
发明人
WINDERS ROBERT C.
分类号
A47C23/053
主分类号
A47C23/053
代理机构
代理人
主权项
地址
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