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经营范围
发明名称
Helical wrapping mechanism for coil spring units
摘要
申请公布号
US3316944(A)
申请公布日期
1967.05.02
申请号
US19640339638
申请日期
1964.01.23
申请人
THE J. R. GREENO COMPANY
发明人
GOLDMEYER CLIFFORD;DULL THOMAS J.
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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