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经营范围
发明名称
ROLL FEED
摘要
申请公布号
US3517872(A)
申请公布日期
1970.06.30
申请号
USD3517872
申请日期
1968.04.17
申请人
STEPHEN M. CHMELA
发明人
STEPHEN M. CHMELA
分类号
B21D43/09;(IPC1-7):B65H17/22
主分类号
B21D43/09
代理机构
代理人
主权项
地址
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