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发明名称
Gate-operating mechanism
摘要
申请公布号
US1775792(A)
申请公布日期
1930.09.16
申请号
US19290345758
申请日期
1929.03.09
申请人
WILFRED WANKE OSCAR
发明人
WANKE OSCAR WILFRED
分类号
E06B11/02
主分类号
E06B11/02
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代理人
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