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发明名称
Slab construction
摘要
申请公布号
US1912920(A)
申请公布日期
1933.06.06
申请号
US19290410415
申请日期
1929.11.29
申请人
STRUCTURAL GYPSUM CORPORATION
发明人
SAUNDERS EDWARD R.
分类号
E04B9/22
主分类号
E04B9/22
代理机构
代理人
主权项
地址
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