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发明名称
Safetypin
摘要
申请公布号
US2104880(A)
申请公布日期
1938.01.11
申请号
US19360089941
申请日期
1936.07.10
申请人
LINTNER EDWIN J
发明人
LINTNER EDWIN J.
分类号
A44B9/14
主分类号
A44B9/14
代理机构
代理人
主权项
地址
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