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发明名称
Converted squaring shears
摘要
申请公布号
US3418875(A)
申请公布日期
1968.12.31
申请号
US19660578541
申请日期
1966.09.12
申请人
LEONARD FRIEDMAN
发明人
FRIEDMAN LEONARD
分类号
B21D28/06
主分类号
B21D28/06
代理机构
代理人
主权项
地址
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