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经营范围
发明名称
Roller mounting
摘要
申请公布号
US2525971(A)
申请公布日期
1950.10.17
申请号
US19450606502
申请日期
1945.07.23
申请人
NATIONAL LOCK COMPANY
发明人
STONE ROY A.
分类号
A47B88/04
主分类号
A47B88/04
代理机构
代理人
主权项
地址
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