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发明名称
Laminated sheet building material
摘要
申请公布号
US1883485(A)
申请公布日期
1932.10.18
申请号
US19280257275
申请日期
1928.02.27
申请人
JOHNS-MANVILLE CORPORATION
发明人
BECKWITH CHARLES J.
分类号
E04C2/284
主分类号
E04C2/284
代理机构
代理人
主权项
地址
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