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发明名称
Spring assembly machines
摘要
申请公布号
US2898950(A)
申请公布日期
1959.08.11
申请号
US19550482943
申请日期
1955.01.20
申请人
THE UNITED STATES BEDDING CO.
发明人
BRONSTIEN EDWARD L.
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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