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发明名称
PROCESS FOR FORMING BOTTOMED TUBULAR MEMBERS FROM METAL BLANKS
摘要
申请公布号
US3561242(A)
申请公布日期
1971.02.09
申请号
USD3561242
申请日期
1967.11.20
申请人
ORESTE BIGINELLI
发明人
ORESTE BIGINELLI
分类号
B21C23/14;B21C23/20;B21J5/10;(IPC1-7):B21C23/00
主分类号
B21C23/14
代理机构
代理人
主权项
地址
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