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经营范围
发明名称
Piston valve
摘要
申请公布号
US1942648(A)
申请公布日期
1934.01.09
申请号
US19330652831
申请日期
1933.01.21
申请人
JENSEN WILLIAM S
发明人
JENSEN WILLIAM S.
分类号
F01L5/04
主分类号
F01L5/04
代理机构
代理人
主权项
地址
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