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发明名称
Post driving apparatus
摘要
申请公布号
US2551896(A)
申请公布日期
1951.05.08
申请号
US19470781386
申请日期
1947.10.22
申请人
LOWELL NOTESTEIN EDISON
发明人
NOTESTEIN EDISON LOWELL
分类号
E04H17/26
主分类号
E04H17/26
代理机构
代理人
主权项
地址
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