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发明名称
Indicating chaplet
摘要
申请公布号
US2677901(A)
申请公布日期
1954.05.11
申请号
US19500158222
申请日期
1950.04.26
申请人
TILLEMAN NORRIS P
发明人
TILLEMAN NORRIS P.
分类号
A44C23/00;A44C25/00
主分类号
A44C23/00
代理机构
代理人
主权项
地址
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