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发明名称
摘要
申请公布号
FR2082057(A5)
申请公布日期
1971.12.10
申请号
FR19700007378
申请日期
1970.03.02
申请人
BLACK SIVALLS BRYSON INC
发明人
分类号
F16K17/16;F17C13/12;(IPC1-7):16K17/00;17C13/00
主分类号
F16K17/16
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