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经营范围
发明名称
INTERNAL DUCT CRIMPER
摘要
申请公布号
US3570299(A)
申请公布日期
1971.03.16
申请号
USD3570299
申请日期
1969.01.21
申请人
ALBERT W. WIETERS
发明人
ALBERT W. WIETERS
分类号
B21D39/02;(IPC1-7):B21D5/01
主分类号
B21D39/02
代理机构
代理人
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地址
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