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发明名称
PACKLESS VALVE CONSTRUCTION
摘要
申请公布号
US3528087(A)
申请公布日期
1970.09.08
申请号
USD3528087
申请日期
1968.03.25
申请人
ROBERTSHAW CONTROLS CO.
发明人
CHARLES H. PERKINS
分类号
F16K11/044;F16K41/10;(IPC1-7):F16K41/10;F16K11/04
主分类号
F16K11/044
代理机构
代理人
主权项
地址
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