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发明名称
Spring assembling machine
摘要
申请公布号
US1920862(A)
申请公布日期
1933.08.01
申请号
US19320584330
申请日期
1932.01.02
申请人
L. A. YOUNG SPRING AND WIRE CORPORATION
发明人
HEUER LAWRENCE H.
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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