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发明名称
Clapboard unit for wall coverings
摘要
申请公布号
US2477987(A)
申请公布日期
1949.08.02
申请号
US19470720811
申请日期
1947.01.08
申请人
CRESSWELL ROLL FORMING COMPANY
发明人
KINGHORN CHARLES M.
分类号
E04F13/08
主分类号
E04F13/08
代理机构
代理人
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地址
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