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发明名称
Method and apparatus for making blanks from cans
摘要
申请公布号
US2378136(A)
申请公布日期
1945.06.12
申请号
US19430493642
申请日期
1943.07.06
申请人
FROOM DARRELL A
发明人
FROOM DARRELL A.
分类号
B21D1/00
主分类号
B21D1/00
代理机构
代理人
主权项
地址
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