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发明名称
Apparatus for changing a helical winding angle
摘要
申请公布号
US3228616(A)
申请公布日期
1966.01.11
申请号
US19620246910
申请日期
1962.12.26
申请人
UNITED AIRCRAFT CORPORATION
发明人
GROSH JAMES L.
分类号
B21F17/00;B29C53/58;B65H54/28
主分类号
B21F17/00
代理机构
代理人
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地址
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