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发明名称
Gauge for cold headers and the like
摘要
申请公布号
US1921345(A)
申请公布日期
1933.08.08
申请号
US19300494789
申请日期
1930.11.10
申请人
THE NATIONAL MACHINERY COMPANY
发明人
CLOUSE WILLIAM L.
分类号
B21K1/44
主分类号
B21K1/44
代理机构
代理人
主权项
地址
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