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发明名称
Control device for flowable materials
摘要
申请公布号
US2992657(A)
申请公布日期
1961.07.18
申请号
US19580739364
申请日期
1958.06.02
申请人
WEDDENDORF JR ALBERT H
发明人
JR. ALBERT H. WEDDENDORF,
分类号
F16K11/18
主分类号
F16K11/18
代理机构
代理人
主权项
地址
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