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发明名称
Can opener
摘要
申请公布号
US1935680(A)
申请公布日期
1933.11.21
申请号
US19320594190
申请日期
1932.02.20
申请人
VON WOLFORSDORF HANS
发明人
WOLFORSDORF HANS VON
分类号
B67B7/70
主分类号
B67B7/70
代理机构
代理人
主权项
地址
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