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发明名称
Rigid frame for quadrangular-shaped bay
摘要
申请公布号
US3336715(A)
申请公布日期
1967.08.22
申请号
US19650433878
申请日期
1965.02.19
申请人
HENRI BERSIER
发明人
SAVARY EMILE
分类号
B21D53/74;E06B7/08;E06B7/082;F24F13/08
主分类号
B21D53/74
代理机构
代理人
主权项
地址
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