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发明名称
STOPPER
摘要
申请公布号
CA805987(A)
申请公布日期
1969.02.11
申请号
CAD805987
申请日期
申请人
E. GUSTAV WETRING
发明人
E. GUSTAV WETRING
分类号
主分类号
代理机构
代理人
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地址
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