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发明名称
Pin curtain for pinspotter
摘要
申请公布号
US2803462(A)
申请公布日期
1957.08.20
申请号
US19520277991
申请日期
1952.03.22
申请人
AMERICAN MACHINE & FOUNDRY COMPANY
发明人
ZUERCHER JOHN
分类号
A63D5/02
主分类号
A63D5/02
代理机构
代理人
主权项
地址
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