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发明名称
TIGHT SHUTOFF BUTTERFLY VALVE ASSEMBLY
摘要
申请公布号
US3583668(A)
申请公布日期
1971.06.08
申请号
USD3583668
申请日期
1969.08.14
申请人
NELES OY
发明人
JUHA ANTTI E. NELIMARKKA
分类号
F16K1/226;F16K27/02;(IPC1-7):F16K1/22
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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