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发明名称
Flexible car diaphragm
摘要
申请公布号
US2217601(A)
申请公布日期
1940.10.08
申请号
US19400323688
申请日期
1940.03.13
申请人
THE PENNSYLVANIA RAILROAD COMPANY
发明人
SEEL MAX
分类号
B61D17/20
主分类号
B61D17/20
代理机构
代理人
主权项
地址
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