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经营范围
发明名称
Door operating mechanism
摘要
申请公布号
US1941454(A)
申请公布日期
1934.01.02
申请号
US19290417381
申请日期
1929.12.30
申请人
AINSWORTH HARRY G
发明人
AINSWORTH HARRY G.
分类号
E05F15/12
主分类号
E05F15/12
代理机构
代理人
主权项
地址
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