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发明名称
Pilot controlled ball cock valves
摘要
申请公布号
US2819866(A)
申请公布日期
1958.01.14
申请号
US19560586082
申请日期
1956.05.21
申请人
WARREN BLACKMAN HUEY
发明人
BLACKMAN HUEY WARREN
分类号
F16K31/34
主分类号
F16K31/34
代理机构
代理人
主权项
地址
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