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发明名称
Clothespin
摘要
申请公布号
US1863588(A)
申请公布日期
1932.06.21
申请号
US19310531909
申请日期
1931.04.22
申请人
BALL RALPH L
发明人
BALL RALPH L.
分类号
D06F55/00
主分类号
D06F55/00
代理机构
代理人
主权项
地址
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