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发明名称
Protecting device
摘要
申请公布号
US1814273(A)
申请公布日期
1931.07.14
申请号
US19290410162
申请日期
1929.11.27
申请人
BOYDEN WHITTIER SIDNEY
发明人
WHITTIER SIDNEY BOYDEN
分类号
A61F5/50
主分类号
A61F5/50
代理机构
代理人
主权项
地址
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