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发明名称
Safety razor blade
摘要
申请公布号
US1840199(A)
申请公布日期
1932.01.05
申请号
US19300450507
申请日期
1930.05.07
申请人
FRANK O. SCHELLENBERG
发明人
HOFF EDWARD R.
分类号
B26B21/56
主分类号
B26B21/56
代理机构
代理人
主权项
地址
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