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发明名称
Window screen
摘要
申请公布号
US1977165(A)
申请公布日期
1934.10.16
申请号
US19310557795
申请日期
1931.08.18
申请人
WILLIAMS HAROLD S
发明人
WILLIAMS HAROLD S.
分类号
E06B9/52
主分类号
E06B9/52
代理机构
代理人
主权项
地址
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