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发明名称
SAFETY PIN
摘要
申请公布号
CA542917(A)
申请公布日期
1957.07.02
申请号
CAD542917
申请日期
申请人
DARRELL R. SHELTON
发明人
DARRELL R. SHELTON
分类号
主分类号
代理机构
代理人
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地址
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