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发明名称
Mask
摘要
申请公布号
US3020911(A)
申请公布日期
1962.02.13
申请号
US19600031413
申请日期
1960.05.24
申请人
GIRDEN BARNEY B
发明人
GIRDEN BARNEY B.
分类号
A62B18/02;B63C11/12
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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