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发明名称
Straightening device
摘要
申请公布号
US2786242(A)
申请公布日期
1957.03.26
申请号
US19550523199
申请日期
1955.07.20
申请人
STEPHENS JAMES S
发明人
STEPHENS JAMES S.
分类号
E04F21/00
主分类号
E04F21/00
代理机构
代理人
主权项
地址
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