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经营范围
发明名称
Self locking roller, tire, and tread foundation
摘要
申请公布号
US2770868(A)
申请公布日期
1956.11.20
申请号
US19520296860
申请日期
1952.07.02
申请人
STRECKFUS JOHN G;HARRY GODWIN
发明人
STRECKFUS JOHN G.;GODWIN HARRY
分类号
B41N7/06;B65G39/00
主分类号
B41N7/06
代理机构
代理人
主权项
地址
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