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发明名称
Spraying device in combination with a differential control valve
摘要
申请公布号
US2558681(A)
申请公布日期
1951.06.26
申请号
US19470793181
申请日期
1947.12.22
申请人
DAVIS REGULATOR COMPANY
发明人
HACHMEISTER GEORGE J.
分类号
F16K31/385
主分类号
F16K31/385
代理机构
代理人
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地址
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