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发明名称
Cam lever window sash tightener
摘要
申请公布号
US2723144(A)
申请公布日期
1955.11.08
申请号
US19510207179
申请日期
1951.01.22
申请人
HAYNES JOSEPH E
发明人
HAYNES JOSEPH E.
分类号
E06B3/44
主分类号
E06B3/44
代理机构
代理人
主权项
地址
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