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发明名称
Method of forming concrete walls
摘要
申请公布号
US2135079(A)
申请公布日期
1938.11.01
申请号
US19360082473
申请日期
1936.05.29
申请人
ECONOMY FORMS CORPORATION
发明人
JENNINGS WILLIAM ALLEN
分类号
E04B1/62
主分类号
E04B1/62
代理机构
代理人
主权项
地址
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