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发明名称
Spur
摘要
申请公布号
US2454228(A)
申请公布日期
1948.11.16
申请号
US19460674078
申请日期
1946.06.03
申请人
HENRY S. ROBINS
发明人
SMITH GEORGE N.
分类号
A43C17/02
主分类号
A43C17/02
代理机构
代理人
主权项
地址
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