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经营范围
发明名称
Tensioning mechanism for winding apparatus
摘要
申请公布号
US1969906(A)
申请公布日期
1934.08.14
申请号
US19320626596
申请日期
1932.07.30
申请人
SHELDON LEONARD C
发明人
SHELDON LEONARD C.
分类号
B29C53/80;B29D99/00
主分类号
B29C53/80
代理机构
代理人
主权项
地址
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