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经营范围
发明名称
Combination screen and sash mounting
摘要
申请公布号
US1781272(A)
申请公布日期
1930.11.11
申请号
US19290337849
申请日期
1929.02.06
申请人
WATERTITE CASEMENT HARDWARE CO.
发明人
CUMMINGS EARLE W.
分类号
E06B3/26;E06B3/34;E06B3/50
主分类号
E06B3/26
代理机构
代理人
主权项
地址
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