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发明名称
Window head construction
摘要
申请公布号
US1827222(A)
申请公布日期
1931.10.13
申请号
US19290404893
申请日期
1929.11.05
申请人
CAMPBELL METAL WINDOW CORPORATION
发明人
CAMPBELL HARRY E.
分类号
E04C3/02;E06B3/988
主分类号
E04C3/02
代理机构
代理人
主权项
地址
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