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发明名称
SPHERICAL VALVE ASSEMBLY
摘要
申请公布号
US4113229(A)
申请公布日期
1978.09.12
申请号
US19770804589
申请日期
1977.06.08
申请人
FUJIWARA, KATSUJI
发明人
FUJIWARA, KATSUJI
分类号
F16K5/06;(IPC1-7):F16K25/00
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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