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发明名称
METHOD OF FORMING CONCRETE STRUCTURES WITH ETCHED-ALUMINUM FORMS
摘要
申请公布号
US3584088(A)
申请公布日期
1971.06.08
申请号
USD3584088
申请日期
1969.08.14
申请人
AMERICAN CEMENT CORP.
发明人
FRANK L. WILLIAMS
分类号
E04G19/00;(IPC1-7):B28B1/14;B28B7/36;E04B1/16
主分类号
E04G19/00
代理机构
代理人
主权项
地址
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