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发明名称
Assembly of filter tips
摘要
申请公布号
US2769533(A)
申请公布日期
1956.11.06
申请号
US19550548178
申请日期
1955.11.21
申请人
BOOTH RICHARD N
发明人
BOOTH RICHARD N.
分类号
A24D3/04
主分类号
A24D3/04
代理机构
代理人
主权项
地址
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