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发明名称
BACKWARD PACKING VALVE
摘要
申请公布号
CS251770(B2)
申请公布日期
1987.08.13
申请号
CS19830008626
申请日期
1983.11.21
申请人
DEUTSCHE BABCOCK WERKE AG.,DE
发明人
MEYER,WALTER,DE
分类号
F16K41/04;F16K41/18;(IPC1-7):F16K41/18
主分类号
F16K41/04
代理机构
代理人
主权项
地址
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