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发明名称
Conical shaped valve members with coating tubular members
摘要
申请公布号
US3382890(A)
申请公布日期
1968.05.14
申请号
US19640397570
申请日期
1964.09.18
申请人
CADILLAC GAGE COMPANY
发明人
HOWLAND DONALD C.
分类号
F16K1/38
主分类号
F16K1/38
代理机构
代理人
主权项
地址
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