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发明名称
Method of corrugating cylindrical walls
摘要
申请公布号
US2507177(A)
申请公布日期
1950.05.09
申请号
US19460661471
申请日期
1946.04.12
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
VERMEER GERARD JAN HUBERTUS
分类号
F02G1/055
主分类号
F02G1/055
代理机构
代理人
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