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发明名称
Triplicate indicating device
摘要
申请公布号
US2179739(A)
申请公布日期
1939.11.14
申请号
US19370163503
申请日期
1937.09.11
申请人
GOGGINS JUIL R
发明人
GOGGINS JUIL R.
分类号
A47G29/122
主分类号
A47G29/122
代理机构
代理人
主权项
地址
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