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发明名称
Apparatus for manufacturing interconnected springs
摘要
申请公布号
US3098510(A)
申请公布日期
1963.07.23
申请号
US19610116318
申请日期
1961.06.12
申请人
WALTER SPUHL
发明人
SPUHL WALTER
分类号
B21F33/04
主分类号
B21F33/04
代理机构
代理人
主权项
地址
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