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经营范围
发明名称
Concrete form clamp
摘要
申请公布号
US1831153(A)
申请公布日期
1931.11.10
申请号
US19290372432
申请日期
1929.06.20
申请人
GOODSPEED INVESTMENT COMPANY
发明人
WILLIAMS CHESTER I.
分类号
E04G17/065
主分类号
E04G17/065
代理机构
代理人
主权项
地址
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