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发明名称
Concrete form
摘要
申请公布号
US1936531(A)
申请公布日期
1933.11.21
申请号
US19300473394
申请日期
1930.08.06
申请人
GOTTFRIED WEBER CHARLES
发明人
WEBER CHARLES GOTTFRIED
分类号
E04G13/02;E04G17/18
主分类号
E04G13/02
代理机构
代理人
主权项
地址
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