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发明名称
Blind control
摘要
申请公布号
US2083726(A)
申请公布日期
1937.06.15
申请号
US19360065901
申请日期
1936.02.26
申请人
WILLIAM MASON FREDERICK
发明人
MASON FREDERICK WILLIAM
分类号
E04F10/06;E06B9/70
主分类号
E04F10/06
代理机构
代理人
主权项
地址
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