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发明名称
DRYWALL TOP-EDGE CASING
摘要
申请公布号
US3460298(A)
申请公布日期
1969.08.12
申请号
USD3460298
申请日期
1967.10.03
申请人
NATIONAL GYPSUM CO.
发明人
GERARD T. SOWINSKI
分类号
E04B2/76;E04C2/38;(IPC1-7):E04C2/46
主分类号
E04B2/76
代理机构
代理人
主权项
地址
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