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发明名称
Hammer
摘要
申请公布号
US2894550(A)
申请公布日期
1959.07.14
申请号
US19570666522
申请日期
1957.06.19
申请人
JOHN R. SASSAMAN
发明人
CLAY HOWARD W.
分类号
B25D1/00;B25G1/10
主分类号
B25D1/00
代理机构
代理人
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地址
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