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发明名称
Cobble bundler
摘要
申请公布号
US2448097(A)
申请公布日期
1948.08.31
申请号
US19450597809
申请日期
1945.06.06
申请人
MORGAN CONSTRUCTION COMPANY
发明人
HAWTHORNE CHARLES W.
分类号
B21C47/04
主分类号
B21C47/04
代理机构
代理人
主权项
地址
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