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发明名称
Locking strip for corrugated metal sheets
摘要
申请公布号
US1775778(A)
申请公布日期
1930.09.16
申请号
US19270233504
申请日期
1927.11.15
申请人
PAPALAS JOHN A
发明人
PAPALAS JOHN A.
分类号
E04D3/365
主分类号
E04D3/365
代理机构
代理人
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地址
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