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发明名称
Absorbent cotton balls and method and apparatus for making the same
摘要
申请公布号
US2992458(A)
申请公布日期
1961.07.18
申请号
US19570645851
申请日期
1957.03.13
申请人
JOHNSON & JOHNSON
发明人
WITSCHI FRITZ
分类号
A61F13/20;D01G99/00
主分类号
A61F13/20
代理机构
代理人
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