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经营范围
发明名称
Automatic valve and switch for hydraulic brakes
摘要
申请公布号
US2474929(A)
申请公布日期
1949.07.05
申请号
US19470746752
申请日期
1947.05.08
申请人
WILLIAM BOLER
发明人
BOLER WILLIAM
分类号
B60T11/28;F16K17/28
主分类号
B60T11/28
代理机构
代理人
主权项
地址
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