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发明名称
APPARATUS FOR MAKING SEALING DEVICES
摘要
申请公布号
CA471616(A)
申请公布日期
1951.02.20
申请号
CAD471616
申请日期
申请人
HANS F. STOFFEL
发明人
HANS F. STOFFEL
分类号
主分类号
代理机构
代理人
主权项
地址
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