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发明名称
SEALING DEVICES
摘要
申请公布号
US3485927(A)
申请公布日期
1969.12.23
申请号
USD3485927
申请日期
1968.08.12
申请人
BALFOUR & DARWINS LTD.
发明人
FRANK ALWYN VARAH
分类号
H05B7/12;(IPC1-7):H05B7/10
主分类号
H05B7/12
代理机构
代理人
主权项
地址
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