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经营范围
发明名称
Flexible diaphragm
摘要
申请公布号
US1790206(A)
申请公布日期
1931.01.27
申请号
US19270196077
申请日期
1927.06.02
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
FARMER CLYDE C.
分类号
F16J3/02
主分类号
F16J3/02
代理机构
代理人
主权项
地址
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