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经营范围
发明名称
Concrete slab
摘要
申请公布号
US2017336(A)
申请公布日期
1935.10.15
申请号
US19330682907
申请日期
1933.07.31
申请人
MASSEY CONCRETE PRODUCTS CORPORATION
发明人
ALEXANDER EARL C.
分类号
E01C9/04
主分类号
E01C9/04
代理机构
代理人
主权项
地址
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