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发明名称
NONCONTAMINATING SWABS
摘要
申请公布号
US3591885(A)
申请公布日期
1971.07.13
申请号
USD3591885
申请日期
1968.12.16
申请人
NASA USA
发明人
MARTIN FRITZEN JR.
分类号
A47L13/16
主分类号
A47L13/16
代理机构
代理人
主权项
地址
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