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经营范围
发明名称
Automatic garage door
摘要
申请公布号
US1984861(A)
申请公布日期
1934.12.18
申请号
US19340707683
申请日期
1934.01.22
申请人
BROWN CHARLES C
发明人
BROWN CHARLES C.
分类号
E05F13/04
主分类号
E05F13/04
代理机构
代理人
主权项
地址
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