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发明名称
FOUR-WAY VALVE DISTRIBUTOR
摘要
申请公布号
PL140819(B2)
申请公布日期
1987.05.30
申请号
PL19850253085
申请日期
1985.04.25
申请人
发明人
分类号
B65G53/52;(IPC1-7):F16K11/085
主分类号
B65G53/52
代理机构
代理人
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地址
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