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发明名称
Process and apparatus for manufacture of screw caps
摘要
申请公布号
US1900880(A)
申请公布日期
1933.03.07
申请号
US19310552493
申请日期
1931.07.22
申请人
CROWN CORK & SEAL COMPANY, INC.
发明人
KRAMER ERIC B.
分类号
B21D51/50
主分类号
B21D51/50
代理机构
代理人
主权项
地址
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