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经营范围
发明名称
Combination valve seat and strainer
摘要
申请公布号
US2633149(A)
申请公布日期
1953.03.31
申请号
US19500184492
申请日期
1950.09.12
申请人
MCKENNA JOHN B
发明人
MCKENNA JOHN B.
分类号
B01D35/04;F16K1/42;F16L55/24
主分类号
B01D35/04
代理机构
代理人
主权项
地址
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