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经营范围
发明名称
Closure device for building apertures
摘要
申请公布号
US2414419(A)
申请公布日期
1947.01.14
申请号
US19440544282
申请日期
1944.07.10
申请人
RUSSELL FRANK C;BARKER ALTAMONT S
发明人
RUSSELL FRANK C.;BARKER ALTAMONT S.
分类号
E06B7/084
主分类号
E06B7/084
代理机构
代理人
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地址
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