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发明名称
Bumper attachment
摘要
申请公布号
US2884260(A)
申请公布日期
1959.04.28
申请号
US19560560205
申请日期
1956.01.19
申请人
POLSTRA CHARLES R
发明人
POLSTRA CHARLES R.
分类号
B60D1/56
主分类号
B60D1/56
代理机构
代理人
主权项
地址
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