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发明名称
Wall construction
摘要
申请公布号
US2101416(A)
申请公布日期
1937.12.07
申请号
US19330689579
申请日期
1933.09.15
申请人
NATIONAL GYPSUM COMPANY
发明人
VENZIE FREDERICK M.
分类号
E04B2/74;E04B2/82
主分类号
E04B2/74
代理机构
代理人
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地址
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