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发明名称
PIRN SKEWER BOARD
摘要
申请公布号
CA500776(A)
申请公布日期
1954.03.16
申请号
CAD500776
申请日期
申请人
SCHWEITER
发明人
WALTER SCHWEITER;KARL MARX
分类号
主分类号
代理机构
代理人
主权项
地址
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