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发明名称
Method of forming tearing strips in can bodies
摘要
申请公布号
US1929771(A)
申请公布日期
1933.10.10
申请号
US19300488006
申请日期
1930.10.11
申请人
M. J. B. COMPANY
发明人
BURNS WILFRED E.
分类号
B21D51/38
主分类号
B21D51/38
代理机构
代理人
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