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发明名称
Valves
摘要
申请公布号
US2845089(A)
申请公布日期
1958.07.29
申请号
US19540415764
申请日期
1954.03.12
申请人
ELGIN SOFTENER CORPORATION
发明人
NICKOLS CHESTER R.
分类号
C02F1/42;F16K15/04
主分类号
C02F1/42
代理机构
代理人
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地址
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