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发明名称
Sheet metal plank
摘要
申请公布号
US1837794(A)
申请公布日期
1931.12.22
申请号
US19300420557
申请日期
1930.01.13
申请人
FERDINAND RAUWALD
发明人
RAUWALD FERDINAND
分类号
E02D17/08
主分类号
E02D17/08
代理机构
代理人
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