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发明名称
Gauge for sheet metal edge bending machines
摘要
申请公布号
US1831311(A)
申请公布日期
1931.11.10
申请号
US19300468164
申请日期
1930.07.15
申请人
MAGEE WILBER R
发明人
MAGEE WILBER R.
分类号
B21D19/04
主分类号
B21D19/04
代理机构
代理人
主权项
地址
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