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发明名称
POLACZENIE GRZYBA ZAWORU Z PIERSCIENIEM USZCZ
摘要
申请公布号
PL95551(B1)
申请公布日期
1977.10.31
申请号
PL19750179140
申请日期
1975.03.27
申请人
发明人
分类号
F16K1/34;(IPC1-7):F16K1/34
主分类号
F16K1/34
代理机构
代理人
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地址
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